The heights of women aged 20- 29 in the United States are approximately Normal with mean 64.2 inches and standard deviation 2.8 inches. The heights of men aged 20- 29 in the United States are approximately Normal with mean 69.4 inches and standard deviation 3.0 inches. What is the z-score for a woman 5.5 feet tall? (Enter your answer rounded to two decimal places.) What is the z-score for a man 5.5 feet tall? (Enter your answer rounded to two decimal places.)

Look for a,b,c and d.  Thanks

Max scored an 80 on her psychology quiz, but the class as a whole averaged a 40. If the standard deviation was 10, what was Alicia's z-score?

According to the U.S. Census, the average adult woman is the United States is 65 inches tall and the standard deviation is 3 inches.  If Zsike is 67 inches tall, what is her z-score?

Carla scored a 31 on her ACT and an 750 on her SAT.  If the mean and standard deviation for the ACT are 18 and 7, respectively; and the mean and standard deviation of the SAT are 500 and 150, respectively - what is her percentile rank on each exam? Percentile rank of ACT  Percentile rank of SAT  On which exam did she do better?

Refer to the accompanying table, which describes the number of adults in groups of five who reported sleepwalking. Find the mean and standard deviation for the numbers of sleepwalkers in groups of five. E Click the icon to view the data table, The mean is sleepwalker(s). (Round to one decimal place as needed.) The standard deviation is sleepwalker(s). (Round to one decimal place as needed.) Table of numbers of sleepwalkers and probabilities P(x) 0.183 0.368 0.305 3 0.115 4. 0.025 0.004 Print Done Enter your answer in each of the answer boxes. a Speech Present.pptx 2 pecha kucha pr.pptx O Team Pecha Ku.docx ch4Bprac.pdf The Canaries pptx Show All MacBook Air 吕0 F3 esc F8 F9 F10 F1 F2 F5 F6 F7 @ #3 2$ & 3 7 8 Q W E Y U P T

You want to know the percentage of utility companies that earned revenue greater than 94 million dollars. If the mean revenue was 60 million dollars and the data has a standard deviation of 15 million, find the percentage. Assume that the distribution is normal. Round your answer to the nearest hundredth.

In the Social Psychology course, you receive a score of 77 on the second exam. You are told that the standard deviation of the second exam is 8 and that your score is .75 standard deviations below the mean. a. What is the class mean of the second exam? b. Your friend scored a 70 on the second exam. How many standard deviations below the mean is your friend’s score?

The annual rainfall in a town has a mean of 54.57 inches and a standard deviation of 12.84 inches. Last year there was rainfall of 71 inches. How many standard deviations away from the mean is that? Round your answer to two decimal places.

If the mean speed for a major league fast ball is 90 miles per hour and the standard deviation is 5 miles per hour, what would the standardized score be for a pitch that is 97 miles per hour? O 0.4 4.0 1.4 O 1.0