Question 1 a) Suppose the scores in a certain class are normally distributed with a mean of 438 and standard deviation of 58. What is the probability a randomly selected student's score is between 402 and 509.92?Round all z scores to two decimals. Enter your final answer as a decimal to four places (e.g. 0.1234). Probabilities must match values from the table b) Suppose the scores in a certain class are normally distributed with a mean of 438 and standard deviation of 58. What is the probability a randomly selected student's score is above 555.74? Round all z scores to two decimals. Enter your final answer as a decimal to four places (e.g. 0.1234). Probabilities must match values from the table c) Suppose the scores in a certain class are normally distributed with a mean of 438 and standard deviation of 58. What is the probability a randomly selected student's score is below 528? Round all z scores to two decimals. Enter your final answer as a decimal to four places (e.g. 0.1234). Probabilities must match
Question 1 a) Suppose the scores in a certain class are normally distributed with a mean of 438 and standard deviation of 58. What is the probability a randomly selected student's score is between 402 and 509.92?Round all z scores to two decimals. Enter your final answer as a decimal to four places (e.g. 0.1234). Probabilities must match values from the table b) Suppose the scores in a certain class are normally distributed with a mean of 438 and standard deviation of 58. What is the probability a randomly selected student's score is above 555.74? Round all z scores to two decimals. Enter your final answer as a decimal to four places (e.g. 0.1234). Probabilities must match values from the table c) Suppose the scores in a certain class are normally distributed with a mean of 438 and standard deviation of 58. What is the probability a randomly selected student's score is below 528? Round all z scores to two decimals. Enter your final answer as a decimal to four places (e.g. 0.1234). Probabilities must match
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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Transcribed Image Text:Question 1
a) Suppose the scores in a certain class are normally distributed with
a mean of 438 and standard deviation of 58. What is the
probability a randomly selected student's score is between 402 and
509.92?Round all z scores to two decimals. Enter your final
answer as a decimal to four places (e.g. 0.1234). Probabilities
must match values from the table
b) Suppose the scores in a certain class are normally distributed with
a mean of 438 and standard deviation of 58. What is the
probability a randomly selected student's score is above 555.74?
Round all z scores to two decimals. Enter your final answer as a
decimal to four places (e.g. 0.1234). Probabilities must match
values from the table
c) Suppose the scores in a certain class are normally distributed with
a mean of 438 and standard deviation of 58. What is the
probability a randomly selected student's score is below 528?
Round all z scores to two decimals. Enter your final answer as a
decimal to four places (e.g. 0.1234). Probabilities must match
values from the table on D2L.
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