Math

StatisticsQ&A LibraryAbout 77% of all female heart transplant patients will survive for at least 3 years. Eighty female heart transplant patients are randomly selected. What is the probability that the sample proportion surviving for at least 3 years will be less than 72%? Assume the sampling distribution of sample proportions is a normal distribution. The mean of the sample proportion is equal to the population proportion and the standard deviation is equal to √pq/n The probability that the sample proportion surviving for at least 3 years will be less than 72% is _____ (Round to four decimal places as needed.)Start your trial now! First week only $4.99!*arrow_forward*

Question

About 77% of all female heart transplant patients will survive for at least 3 years. Eighty female heart transplant patients are randomly selected. What is the probability that the sample proportion surviving for at least 3 years will be less than 72%?

Assume the sampling distribution of sample proportions is a normal distribution. The mean of the sample proportion is equal to the population proportion and the standard deviation is equal to √pq/n

The probability that the sample proportion surviving for at least 3 years will be less than 72% is _____ (Round to four decimal places as needed.)

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: 72% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal pl...

A: Hello! As you have posted 4 sub parts, we are answering the first 3 sub-parts. In case you require ...

Q: 3. A medical researcher examined the number of asthma attacks patients had both before and while usi...

A: Hello there! there are more than three subparts in the question. According to our policies we cannot...

Q: novel pages- a random sample of 25 novels has a standard deviation of 9 pages. Find the 95% confide...

A: The sample standard deviation is 9.The sample size is 25.

Q: When playing roulette at a casino, a gambler is trying to decide whether to bet $15 on the number 2...

A: Given dataIf we Bet on 0,00 and 1P(win) = 3/38 P(Losing) = 35/38a)expected value for the $15bet that...

Q: I don't understand how to use binomial formulas to solve this problem

A: Given dataHypothesized proportion (p) = 0.7

Q: Automobile repair costs continue to rise with the average cost now at $367 per repair.† Assume that ...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: Will you show me step by step how to solve this?

A: Here two z values are required to be calculated.Given:P(|Z|>zo) = 0.056It could be simplified as:

Q: Can you help me with j and k?

A: Solution:The mean is obtained below:The mean is,

Q: Problem 4

A: Preliminary calculation:Using the EXCEL formula “=NORM.S.INV(1-(0.05/2))”, the z-value for 95% confi...

Q: How many different three-letter words (including nonsense words) can be formed allowing repetition o...

A: From the given information, three letter words formed allowing repetition of letters.Three letter in...

Q: Based on a survey, assume that 27% of consumers are comfortable having drones deliver their purcha...

A: A binomial experiment is a discrete probability experiment which is repeated for a fixed number of t...

Q: Provide an appropriate response with details. A 28 year old man pays $206 for a one year life insura...

A: From the given information, the probability of he will live through the year is 0.9992. And a 28 yea...

Q: Explain the four different types of sampling and give an example of each.

A: Different types of sampling methods with examples.Types of random samplings(1) Simple random samplin...

Q: Please show TI 84 steps

A: Computation of mean and standard deviation:Here, n=300; p̂=0.40; q̂=0.60 (=1−0.40).The mean and stan...

Q: Translate each of the following research questions into appropriate H0 and Ha. Census Bureau data...

A: Null hypothesis:In statistics, null hypothesis say that there is no statistical significance. It gen...

Q: Question 1

A: Let mu1 be the sample mean of acute schizophrenics and mu2 be the mean of chronic schizophrenics.Hyp...

Q: Assume the random variable X has a binomial distribution with the given probability of obtaining a s...

A: Given datan = 18p= 0.8Applying Binomial theoremProbability of x success out of n trial is given by

Q: Use the standard normal table to find the z-score that corresponds to the cumulative area 0.0877. I...

A: The concept of standard normal distribution is used to calculate the probability of a normally distr...

Q: Problem 29 d

A: The null and alternative hypotheses are given below:H0: µ = 21.62Ha: µ ≠ 21.62Procedure to find samp...

Q: Use the standard normal distribution (aka z distribution where mu = 0 and sigma = 1) to determine th...

A: The formula for the values of Z that will give the middle 90% is stated below:

Q: Compute the critical value Zα/2 that corresponds to an 82% level of confidence. Zα/2 = (Rou...

A: It is given that the level of confidence is 0.82.

Q: Part A, D, E, G

A: Note:Hi there! Thanks for posting the question. As your question does not contain Part G, we had ans...

Q: The lengths of a professor's classes have a continuous uniform distribution between 50.0 min and 52....

A: Solution: We are given that the lengths of a professor's classes have a continuous uniform distribut...

Q: Intensive care units (ICUs) generally treat the sickest patients in a hospital. ICUs are often the m...

A: From the given information,The average length of stay in ICU is 3.9 days, so μ = 3.9

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when n = ...

A: It is given that p is 0.10 and n is 2,000.

Q: skipping lunch- A nutritionist wishes to determine, within 3%, the true proportion of adults who do ...

A: It is given that margin of error (E) is 0.03 and the confidence level is 95%.

Q: Find a value of the standard normal random variable z , call it z 0z0, such that the following pro...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: Here is a chart showing how many people are non-smokers, occasional smokers, and heavy smokers by th...

A: Note:Hey there! Thank you for the question. Since you have posted two different questions together, ...

Q: Delta Airlines quotes a flight time of 3 hours, 5 minutes for a particular flight. Suppose we believ...

A: Given dataActual flight time = 3 hours 5 minutes = 185 minutesNote 1 Hour = 60 MinLet X denotes flig...

Q: When do you use the t-statistic and what is the advantage over the z-statistic?

A: Conditions for using t statistic: The t statistic is used in the hypothesis testing, for testing the...

Q: A population of values has a normal distribution with μ=158.8μ=158.8 and σ=91.9σ=91.9. You intend to...

A: Given information:Mean, µ=15.8Standard deviation, σ=91.9Sample size, n=141

Q: Suppose the distribution of speeds of cars traveling on the I-5 in California is nearly normal with ...

A: Solution:a.The percentage of cars travel above the speed limit is obtained below:Let the random vari...

Q: Suppose you flip eight fair coins. What is the probability of flipping exactly eight heads? What...

A: Binomial distribution:The events that has exactly two possible outcomes (success or failure) follows...

Q: A standard six-sided die shows a number, 1, 2, 3, 4, 5, or 6, on each of its sides. You roll the die...

A: The sample space for the given experiment is S={1,2,3,4,5,6}Define the given events as,E={2,4,6} the...

Q: What is the minimal sample size needed for a 95% confidence interval to have a maximal margin of err...

A: Given confidence interval 95%.maximal margin of error = 0.1.The critical Z score for 95% confidence ...

Q: what would the 95% confidence limits for a sample of 120 with a mean of 51 and a standard deviation ...

A: It is given that mean and standard deviation are 51 and 12, respectively.

Q: Translate each of the following research questions into appropriate H0 and Ha. Census Bureau data s...

A: Note:Hey there! Thank you for the question. As have posted two different questions together- identif...

Q: The physical plant at the main campus of a large state university recieves daily requests to replace...

A: Solution: We are given that the distribution of the number of daily requests is bell-shaped and has ...

Q: Give an example of two independent samples. For example in testing whether a new drug works, the tre...

A: There are many applications based on the independent samples in a continuous scale. The independent ...

Q: PBS News Hour reported in 2014 that 39.4% of Americans between the ages of 25 and 64 have at least a...

A: It is given that n =55 and p = 0.3940.The probability mass function of binomial distribution is give...

Q: is there is a main effect of disposition, would Tuckey's HSD need to be calculated

A: If there is a main effect of disposition, Then in this case, Turkey’s HSD need to be calculated. It ...

Q: unrest and violence on one southern campus had descreased by 62% from 10 years ago. four out of ten ...

A: Population:The set of all subjects of interest can be termed as population.Sample:The subset of the ...

Q: Following are the weights of 8 boxes of cookies, each of which is labeled as containing 16 ounces. A...

A: It is provided that,Sample size (n) = 8Hypothesized population standard deviation (σ0) = 0.1Level of...

Q: Question 1

A: Hello there! there are more than three subparts in the question. According to our policies we cannot...

Q: The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation...

A: Click to see the answer

Q: ive attached it below

A: The number of chocolate chips in a bag of chocolate chip cookies is normally distributed with mean 1...

Q: Assume the random variable X has a binomial distribution with the given probability of obtaining a s...

A: Given Datan = 9p = 0.5Required probability is given by

Q: Describe the distribution of this variable by commenting on the shape (modality (how many peaks), sy...

A: Form the given graphs1st graph is uniformly distributed2nd graph is skew distributed (right skewed d...

Q: Scores on a certain test are normally distributed with a variance of 90. A researcher wishes to esti...

A: According to the provided information,

Q: I wanted help walking through this problem in order to gain a better understanding of Normal Probabi...

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any ...