About 71% 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 least3 years will be less than 67%? 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 ispqequal toThe probability that the sample proportion surviving for at least 3 years will be less than 67% is. (Round to four decimal places as needed.)

Given Data population proportion,p = 0.71 sample size n = 80

Answered: About 71% of all female heart…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The average final exam score for the statistics course is 79%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is different. The final exam scores for the 11 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the gopulation is normal. 91, 74, 66, 52, 61, 90, 59, 75, 70, 82, 84 What can be concluded at the the a 0.10 level of significance level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: H1: c. The test statistic t = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is s a f. Based on this, we should fail to reject g. Thus, the final conclusion is that ythe null hypothesis. The data suggest the populaton mean is significantly different from 79 at a = 0.10, so there is statistically significant…
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About 73% of all female heart transplant patients will survive for at least 3 years. Sixty 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 68%? 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 in The probability that the sample proportion surviving for at least 3 years will be less than 68% is | (Round to four decimal places as needed.)
About 80% of all female heart transplant patients will survive for at least 3 years. Seventy 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 75%? Assume the sampling distribution of sample proportions is a normal distribution. The mean and the sample proportion is equlal to the population proportion and the standard deviation is equal to pq/n
A racing car consumes a mean of 103 gallons of gas per race with a variance of 36. If 38 racing cars are randomly selected, what is the probability that the sample mean would be greater than 101.5 gallons? Round your answer to four decimal places.
Please help me answer this!
About 73% of all female heart transplant patients will survive for at least 3 years. Sixty 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 64%? 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 64% is (Roun to four decimal places as needed.)
Suppose the average amount of money that people spend on their pets per month is 47 dollars, with a standard deviation of 6 dollars. For a sample of 36 people, final the average amount of money spent on pets that defines the bottom 30% in the distribution.For a sample of 36 people, what is the probability for this sample’s mean to be higher than 50 dollars.
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