Find interval about the mean that includes 80% of the data

Assignment Help Basic Computer Science

Reference no: EM131351689

A set of data is normally distributed with a mean of 82 and a standard deviation of 4.

a. Find the interval about the mean that includes 45% of the data.

b. Find the interval about the mean that includes 80% of the data.

c. What percent of the data is between 76 and 88?

d. What percent of the data is between 80.5 and 83.5?

Reference no: EM131351689

Questions Cloud

Complete a personal swot analysis evaluating : Complete a personal SWOT analysis evaluating your understanding and skills - A SWOT graph with bullet-points defining your strengths, weaknesses, opportunities, and threats as they relate to the five university learning objectives.

Why do you believe slavery changed once africans left africa : Why do you believe slavery changed once Africans left Africa and landed in America?

Requires a reflective journal essay : Nursing school I am attending requires a reflective journal essay at the end of each semester.- Write the paper because the journal is to be a personal reflection but written as an academic essay.

Calculate your percentage profit on the trade : Currently, the initial margin requirement for an S&P futures contract is $28,125, and the maintenance margin requirement is $22,500. Given the profit you found in part c, calculate your percentage profit on the trade, given what you had invested (the..

Find interval about the mean that includes 80% of the data : A set of data is normally distributed with a mean of 82 and a standard deviation of 4.

The index used to represent market returns : Estimates of a stock's beta may vary depending on I. when the estimate was made II. the standard diviation of a stock's returns III. how many months of returns were used to estimate the beta IV. the index used to represent market returns

Estimated real dollar revenues and costs : A telephone company is considering building a new automated switching distribution substation with a useful life of 20 years to support new suburban developments. The substation is located in a state in which the combined tax rate is 40%, and the tel..

Using incremental rate of return analysis : A firm is considering an investment in a numerical controlled milling machine needed for an eight (8) year project life. Three alternatives are under consideration. The firm uses a 20% MARR. Using incremental rate of return analysis, determine which..

How many values are within one standard deviation of mean : How many values fall in the interval between the mean and one standard deviation above the mean?

User Account

All Pages