subject
Mathematics, 13.07.2021 18:40 nmm32

A​ half-century ago, the mean height of women in a particular country in their 20s was inches. Assume that the heights of​ today's women in their 20s are approximately normally distributed with a standard deviation of inches. If the mean height today is the same as that of a​ half-century ago, what percentage of all samples of of​ today's women in their 20s have mean heights of at least ​inches?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
Describe how fraction strips can you order fractions
Answers: 2
question
Mathematics, 21.06.2019 16:30
The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms
Answers: 3
question
Mathematics, 21.06.2019 17:00
For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is
Answers: 2
question
Mathematics, 21.06.2019 21:20
If the value of cos330°is√3/2 then find cos 165°.
Answers: 2
You know the right answer?
A​ half-century ago, the mean height of women in a particular country in their 20s was inches. Assum...
Questions
question
English, 04.07.2019 22:00
question
Mathematics, 04.07.2019 22:00
Questions on the website: 13722363