Find the indicated probability. In a study, 44% of adults questioned reported that their health was excellent. A researcher wishes to study the health of people living close to a nuclear power plant. Among 15 adults randomly selected from this area, only 3 reported that their health was excellent. Find the probability that when 15 adults are randomly selected, 3 or fewer are in excellent health. 0.863 0.137 0.950 0.050 Question 21 of 30 (1 point) | Attempt 1 of 10 10h 22m Remaining 6.MOTO Section Exercise 17 The scores on a mathematics exam have a mean of 73 and a standard deviation of 6. Find the x-value that corresponds to the z-score 4.794. 120.9 O25.1 101.8 68.2 da Question 22 of 30 (1 point) | Attempt 1 of 1 10h 22m Remaining 6MCTQ Section Exercise 21 A random sample of 30 students has a mean annual earnings of $3100 and a standard deviation of $675. Find the margin of error if c-0.95. $538 $242 $117 O $1175 Submit Assignment 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center HSC Sprie syllab CHMTION 2022 Sy Remailing 6MCTO Section Exercise 19 Use the Central Limit Theorem to find the mean and standard error of the mean of the indicated sampling distribution. The amounts of time employees of a telecommunications company have worked for the company are normally distributed with a mean of 5.3 years and a standard deviation of 2.2 years. Random samples of size 22 are drawn from the population and the mean of each sample is determined. 1.13 years, 2.2 years O1.13 years, 0.47 years 5.3 years, 0.47 years 5.3 years, 0.10 years Submit Assignment 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center