Mathematics, 04.06.2021 05:30, kace04
Assume the average height for American women is 64 inches with a standard deviation of 2 inches. A sorority on campus wonders if their members have a different height, on average, from the population of American women. The mean height of group, which includes 25 members, is 65 inches.
A) Calculate the standard error for the distribution of means.
B) Calculate the z statistic for the sorority group.
C) What is the approximate percentile for this sample? Enter as a whole number.
D) If the sorority actually had 36 members (still with an average of 65 inches), would you expect the percentile value to increase or decrease? why?
Answers: 2
Mathematics, 21.06.2019 20:00, arianaaldaz062002
If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?
Answers: 1
Mathematics, 21.06.2019 20:30, kuddlebugsmommy
Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
Answers: 1
Assume the average height for American women is 64 inches with a standard deviation of 2 inches. A s...
Mathematics, 08.02.2021 05:40
Mathematics, 08.02.2021 05:40
Mathematics, 08.02.2021 05:40
Mathematics, 08.02.2021 05:40
Mathematics, 08.02.2021 05:40
Mathematics, 08.02.2021 05:40