Question: A normal distribution has mean = 15 and standard deviation = 4. Find and interpret the z-score for x = 11.

A normal distribution has mean μ = 15 and standard deviation σ = 4.

Find and interpret the z-score for x = 11.

Step by Step Solution

★★★★★

3.45 Rating (155 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

To find the zscore for a given value we can use the formula z x ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Elementary Statistics Questions!

Q:

Find the standardized variable Z if X has (a) Mean 15 and standard deviation 4. (b) Mean 61 and standard deviation 9. (c) Mean 161 and variance 25.

Q:

You are a marketing consultant for Duff Brewery and have sampled a number of beer drinkers in different age categories. Age beer consumption (litres) 19-25 300 320 280 250 400 26-32 500 800 100 0 150...

Q:

The data set has mean 15 and standard deviation 2. Approximately what percentage of the observations lie between 13 and 17? The quantitative data set under consideration has roughly a bell-shaped...

Q:

A normal distribution has mean ? = 18 and standard deviation ? = 4. Find and interpret the z-score for x = 14.Question 4 options:A) z = 1: a value of 14 is one standard deviation above the mean.B) z...

Q:

The graph below depicts the standard normal distribution with mean 0 and standard deviation 1. Find the indicated z-score. 0.7794 The indicated Z-score iS type your answer.\" (Round to two decimal...

Q:

A normal distribution has mean=63 and standard deviation= 20. Find and interpret the z -score for=x 60 . A normal distribution has mean u=63 and standard deviation =20. Find and interpret the z-score...

Q:

1. Find the area under the normal curve bounded by z =2.57 and z =1.28. a. 0.9048 b. 0.0952 c. 0.4048 d. 0.8946 2. The area under the standard normal distribution to the left of z =2.73 is a. 0.0032...

Q:

A normal distribution has mean = 65 and standard deviation = 20. Find and interpret the Z-score for x = 64. The z-score for x = 64 is So 64 is standard deviations (Choose one) the mean u = 65. X 5

Q:

Suppose Stock Price Per Earnings (P/E Ratios) have a normal distribution with mean 15 and standard deviation 5. What proportion of the stocks have a P/E ratio greater than 22? Choose the CLOSEST...

Q:

help Given a normal distribution with mean 27 and standard deviation 4 , find the area under the normal curve from the mean to 17.2. EIEB Click the icon to view the area under the standard normal...

Q:

Profitability and risk analysis in a cross-section setting This problem compares the profitability and risk ratios of three leading discount chains: Carrefour, Target, and Wal-Mart. Carrefour,...

Q:

What would be the implications of not awarding the contract to Mohawk?

Q:

Now consider Question 5 in terms of the law's impact on domestic producers that export goods. Does this policy adversely affect domestic produ- cers that export goods?

Q:

understand how society at large orients human beings toward continuity in their lives.

Q:

Why is the chi-square test typically a one-tail test with the critical region in the right tail? a. What kind of value would result if the observed frequencies and the expected frequencies were very...

Q:

State the null hypothesis, Ho, and the alternative hypothesis, Ha, that would be used to test the following statements: a. The voters expressed preferences that were not independent of their party...

Q:

The test of independence and the test of homogeneity are completed in identical fashion, using the contingency table to display and organize the calculations. Explain how these two hypothesis tests...

Q:

Following is a comparative balance sheet for Astra Corporation: Astra Corporation Comparative Balance Sheet December 31, 2020 and 2019 2020 2019 Current assets: Cash $ 140,000 $ 90,000 Short-term...

Q:

Alteran Corporation purchased office equipment for $ 1 . 6 million at the beginning of 2 0 2 2 . The equipment is being depreciated over a 1 0 - year life using the double - declining - balance...

Q:

Find the financial numbers of the following in 2 0 1 9 , 2 0 2 0 , 2 0 2 1 and 2 0 2 2 4 0 9 0 Taiba Investments Co . Real Estate Mgmt & Dev't 4 1 0 0 Makkah Construction and Development Co . Real...