# AP Stats

Bolivian adult females are much shorter than US females although the standard deviation of their heights is about the same at 2.3 inches. Only 4.1% of Bolivian females are at least five feet tall. What is the mean height of adult Bolivian women assuming their heights are normally distributed?

Can the process to find this please be explained? There are multiple problems like this that provide a percentage and SD and ask for a mean or provide a mean and ask for the SD.

1. 👍 0
2. 👎 0
3. 👁 932
1. Use:
http://davidmlane.com/hyperstat/z_table.html

use - Value from area
A = .041
SD = 2.3

input means by trial and error
I get
mean = 56 inches ---> .041 above 60.001 inches

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Statistic

Heights of adult men have a mean of 69.0 inches and a standard deviation of 2.8 inches. Approximately what percentage of adult men have a height between 66.2 and 77.4 inches? Must show the number and the empirical rule

2. ### Health

Which is a true statement about gender roles? A. Gender roles are basically the same across all cultures. B. Male-female friendships are more difficult to develop today than they were in earlier generations. C. Most people look

3. ### statistics

An introductory psychology class has 9 freshman males, 15 freshman females, 8 sophomore males, and 12 sophomore females. If one student is randomly selected from this class, what is the probability of selecting a female? Round to

4. ### Math

There is 48 students in a class. 7 out of 8 are females what percent are females?

1. ### Statistics

Assuming that the heights of college women are normally distributed with mean 66 inches and standard deviation 2 inches, what percentage of women are shorter than 72 inches?

2. ### Biology

1. A version of a gene is called a(n) karyotype. autosome. allele. phenotype. 2. If a father is affected by an X-linked dominant condition and the mother is not, which children can inherit the condition? only males both males and

3. ### statistics

A survey found that women's heights are normally distributed with mean 63.5 in. and standard deviation 2.3 in. The survey also found that men's heights are normally distributed with a mean 68.7 in. and a standard deviation 2.8.

4. ### Statistics

A study of 29 female Sumatran elephants provided a 95% confidence interval for the mean shoulder height as (197.2, 235.1) cm. Consider a new study to estimate the mean shoulder height of male Sumatran elephants. Assuming the

1. ### sience

Multiple Choice 1. At the chromosomal level, what is the difference between human males and human females? (1 point) All males have a Y chromosome, and females do not. All males have an X chromosome, and females do not. All males

2. ### Elementary Statistics

Heights of women have a bell-shaped distribution with a mean of 161 cm and a standard deviation of 7 cm. Using Chebyshevâ€™s theorem, what do we know about the percentage of women with heights that are within 2 standard deviations

3. ### AP Stats

The distribution of heights of adult American men is approximately normal with mean 69 inches and standard deviation 2.5 inches. Use the 68-95-99.7 rule to answer the following questions: (d) A height of 71.5 inches corresponds to

4. ### Statistics

The distribution of heights of adult males has a mean of 69 inches and a standard deviation of 4 inches. A random sample of 36 adult males is selected. Find the probability that the average height will be more than 70 inches.