Question: Exercise 4 The standard score for a random variable that follows a normal probability distribution will take on the following values with these corresponding probabilities.

Exercise 4 The standard score for a random variable that follows a normal probability distribution will take on the following values with these corresponding probabilities. Standard Score Normal Probability -4.5 to - 1.5 0.0668 -1.5 to -0.5 0.2417 - 0.5 to + 0.5 0.3829 + 0.5 to + 1.5 0.2417 + 1.5 to + 4.5 0.0668 Use the Chi-Squared Goodness-of-Fit test and the Movie Database Sample to determine if it is reasonable to assume that the running time of movies follows a normal distribution

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock 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 Mathematics Questions!

QUESTION 1 1.If the random variable X is normally distributed with a mean of 75 and a standard deviation of 8, then P(X 78) is: a. 0.15 b. 0.65 c. 0.75 d. 0.98 e. None of the above 0.5 points...

1) 6.1.2 The commuter trains on the Red Line for the Regional Transit Authority (RTA) in Cleveland, OH are scheduled to be eight minutes apart during rush hour. This problem concerns the waiting time...

Regier mework A study of long-distance phone calls made from General Electric Corporate Headquarters in Fairfield, Connecticut, revealed the length of the calls, in minutes, follows the normal...

1.0 Points Question 14 of 25 Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific...

Normal distribution - Examples Example 1 The lengths of the sardines received by a certain cannery is normally distributed with mean 4.62 inches and a standard deviation 0.23 inch. What percentage of...

Stats 120B Homework 6: Due Thursday, Mar. 3 1. Dene the following random variables: iid X1 , X2 , X3 , X4 N (0, 1) W N (5, 9) iid V1 , V2 2 (4) Assume X1 , . . . , X4 , W, V1 , V2 are all independent...

Assignment Brief and Guidance: 1 - You are observing the speeds of two CPUs, to find which one is expected to run faster. After a number of observations, you came up with the following results: CPU...

Just let the variable be 4 as example, because I just want to know how to do :( (a) Assume that the random variable Y follows a normal distribution N (,u,a + 1). Assume a is the last digital number...

Two events A and B can be both mutually exclusive and independent at the same time? It is known that the length of a certain product X is normally distributed with = 20 inches. How is the probability...

The market price for Hobart common stock is $ 43 per share. The price at the end of 1 year is expected to be $ 48, and dividends for next year should be $ 2.84. What is the expected rate of return?

Choose an organization, and ask a manager in that organization to list the number and strengths of forces in the organizations task environment. Ask the management to pay particular attention to...

Georgia Builders' 5 - year bonds yield 7 . 5 0 % and 5 - year T - bonds yiel real risk - free rate is r * * = 2 . 5 % , the default risk premium for Kelly's bond . 4 0 % , the liquidity premium on...

Write a literature review of about 800-1000 words on Investigating the constraints of financing Small and Medium Business enterprises across developed and developing countries, Namibia in particular....

1. Avoid conflicts in the relationship

3. What is happening here and now (1 is oriented towards the proactive, 2 towards the reactive and 3 is a balance between the two). c. Source of inspiration: When I communicate it is important for me...

1. What will happen in the future