# statistic

Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of \$34,000 and a standard deviation of \$2000. What is the cutoff salary for teachers in the bottom 10%?

1. 👍
2. 👎
3. 👁
1. Find a Percentile to Z-Score Calculator. You can Google one, and likely there's a table of this in your text.

That'll tell you how many SD below the mean you have to go.

I make it about -1.28 standard deviations, so that'll be about 34,000 - (1.28 * 2000)

1. 👍
2. 👎
2. Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of \$34,000 and a standard deviation of \$2000. What is the cutoff salary for teachers in the bottom 10%?

1. 👍
2. 👎

1. 👍
2. 👎

## Similar Questions

1. ### Statistic 103

The average teachers salary in Connecticut( ranked first among states) is \$57,337. suppose that the distribution of salaries is normal with a standard deviation of \$7500. What is the probability that a randomaly selected teacher

2. ### History

What role did the United States play in the Indochina War? A.The United States provided supplies and military observers to France. B.The United States sent financial aid to the Democratic Republic of Vietnam’s independence

3. ### history

How did Kennan’s Long Telegram shape the United States interaction with Communism throughout the world? A. The united states conquered communism by economically oppressing third-world nations. B. The united states created the

4. ### social studies

In which of the following industries are the majority of jobs in the United States and Canada found? 1. A. service------- B. education C. healthcare D. tourism 2. Which role does the government play in the economies of the United

1. ### physics

Consider a cloudless day on which the sun shines down across the United States. If 2312 kJ of energy reaches a square meter (m2) of the United States in one hour, how much total solar energy reaches the entire United States per

2. ### Social Studies

Which of the following are requirements for naturalization in the United States? Select the two correct answers. A.**** take and pass an exam B. own a business in the United States C. **** be at least 18 years old D. have a high

3. ### History

8. What was the Eisenhower Doctrine? A.) The United States would liberate the countries behind the iron curtain. B.) The United States would use force to help any Middle Eastern nation threatened by communism. *C.) The United

4. ### history

why was the Open Door Policy important to the United States? a. it gave the United States territory in China b. it gave the United States access to millions of consumers in China c. it increased Chinese investments in the United

1. ### statistics

Suppose that the heights of adult men in the United States are normally distributed with a mean of inches and a standard deviation of inches. What proportion of the adult men in United States are more than feet tall? (Hint: feet

2. ### statistics

Suppose that the heights of adult men in the United States are normally distributed with a mean of inches and a standard deviation of inches. What proportion of the adult men in United States are more than feet tall? (Hint: feet

3. ### help

Assume that the salaries of elementary school teachers in the U.S. are normally distributed with a mean of \$37,000 and standard deviation of \$3500. The cutoff salary for teachers in the bottom 12% is

4. ### ss

How do Spanish South America’s governments compare with that of the United States? A. They have presidential systems, unlike the United States. B. They are mostly democracies like the United States. C. They have parliamentary