Question: Score (X) on a 100-point test is normally distributed with mean 89 and standard deviation 10. Calculate the probability:P(85 < x < 95)

Score (X) on a 100-point test is normally distributed with mean 89 and standard deviation 10.

Calculate the probability:P(85 < x < 95)

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!

Q:

core (X) on a 100-point test is normally distributed with mean 89 and standard deviation 10. Calculate the probability:P(85

Q:

Anais is organizing her rock collection and places each rock in one of three categories: small, medium, or large. This illustrates what level of measurement? Select one: a. nominal b. ordinal Correct...

Q:

Scores on a test are normally distributed with mean 70 and standard deviation 10. What is the probability that a student scores more than 85? Using a table or computer program that can calculate the...

Q:

solve these problems The difference between the number of customers in line at the express checkout and the number in line at the superexpress checkout in Exercise 3 is X, - X2 Calculate the expected...

Q:

Let Z = N(0,1) be the standard normal variable Calculate the area to the left of z = 2. 25 Calculate the probability Calcualte the proabililityand Calculate the area between z = -1.25 and z = 1. 35...

Q:

10/17/2016 1. Assignment Print View Award: 11.11 points A random variable X follows the uniform distribution with a lower limit of 520 and an upper limit of 720. a. Calculate the mean and the...

Q:

10/17/2016 1. Assignment Print View Award: 11.11 points A random variable X follows the uniform distribution with a lower limit of 520 and an upper limit of 720. a. Calculate the mean and the...

Q:

10/17/2016 1. Assignment Print View Award: 11.11 points A random variable X follows the uniform distribution with a lower limit of 520 and an upper limit of 720. a. Calculate the mean and the...

Q:

Page 1 of 7 Stat 200 - Quiz 2. Dr T Multiple-choice: Choose only one answer in each question. Submit only the answers! There are 27 problems for 3 points each. 01. A probability is a number p such...

Q:

In a survey of 1,000 people, 420 are opposed to the tax increase. Construct a 90 percent confidence interval for the proportion of those people opposed to the tax increase. A. [.394 .446] B. [.380...

Q:

Which one is equal to S(ast) dt ds ? 00 O Marginal pdf of X for 6 > x > 0 O Marginal cdf of X for 10 > x > 0 O Conditional pdf of Y given X = y for 10 > x > 0 O Conditional pdf of X given Y = y for 6...

Q:

Use proposition 2.3 to provide an alternative proof of theorem 2.2 Theorem 2.2 A continuous functional on a compact set achieves a maximum and a minimum. Proof Let M = supxX f (x). There exists a...

Q:

The file Currency contains the exchange rates of the Canadian dollar, the Japanese yen, and the English pound from 1980 to 2017, where the Canadian dollar, the Japanese yen, and the English pound are...

Q:

Question 1 (1 point) With the growth of technology, tour companies find themselves printing and distributing more brochures True False Question 2 (1 point) Canada's West Marketplace location rotates...

Q:

1. To provide insight into how setting an overly narrow boundary can give a mes-sage a specific meaning, while setting a wider boundary can give a completely different meaning.

Q:

12. What is meant by the statement, often we do not know what the real problem is until we look at its possible consequences or solutions?.

Q:

9. What is meant by the statements: a) Experiences are different from what is experienced. b) The description is different from what is described.