Answered: What is the probability of scoring 25…

What is the probability of scoring 25 or above on a test? I've just got some values below, not sure if you need all of them or not. mean = 23.5 sd = 3.5 z-score = 0.43

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

What is the probability of scoring 25 or above on a test? I've just got some values below, not sure if you need all of them or not.

mean = 23.5

sd = 3.5

z-score = 0.43

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Expert Solution

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Solution:

From the given information, mean is 23.5, standard deviation is 3.5 and z-score is 0.43.

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