Sketch the curve and label on the x-axis

Reference no: EM131796391

Exam Scores

The distribution of the scores on a certain exam is N(70, 10), which means that the exam scores are Normally distributed with a mean of 70 and standard deviation of 10.

a. Sketch the curve and label, on the x-axis, the position of the mean, the mean plus or minus one standard deviation, the mean plus or minus two standard deviations, and the mean plus or minus three standard deviations.

b. Find the probability that a randomly selected score will be bigger than 80. Shade the region under the Normal curve whose area corresponds to this probability.

Reference no: EM131796391

Questions Cloud

Discuss the alignment of firm organizational structure : Discuss the alignment of a firm's organizational structure with its strategy and how can a company link rewards to strategically relevant performance outcomes.

Are these numbers statistics or parameters : A study of all the employees at an office showed a mean weight of 60.4 kilograms and a standard deviation of 1.5 kilograms.

How much is the controllable overhead spending variance : The Uptown Company uses standard costing. How much is the controllable overhead spending variance

Display joint distribution tables : Let X1 and X2 be the numbers obtained on two of a fair die, Let Y1 = max (X1, X2) Y2 = min(X1, X2). Display joint distribution tables for a) (X1, X2).

Sketch the curve and label on the x-axis : Find the probability that a randomly selected score will be bigger than 80. Shade the region under the Normal curve whose area corresponds to this probability.

Calculate book value of an asset : Calculate book value of an asset. Round the answer to two decimals.

What is the amount of cash that hornet receives today : Hornet Corporation has a loan agreement that provides it with cash today, Hornet agrees to pay 10% interest. What is the amount of cash that Hornet receives

Considering quality and data transparency : Considering quality and data transparency, how would you envision utilizing electronic records to enhance quality for individuals or groups of patients?

Find the probability that a randomly selected score : Shade the region under the Normal curve whose area corresponds to this probability.

User Account

All Pages