Find the probability of the following: **(use 4 decimal places)** a.) The probability that one student chosen at random scores above an 78. ________ b.) The probability that 20 students chosen at random have a mean score above an 78. _________ c.) The probability that one student chosen at random scores between a 68 and an 78. __________ d.) The probability that 20 students chosen at random have a mean score between a 68 and an 78. __________
Find the probability of the following: **(use 4 decimal places)** a.) The probability that one student chosen at random scores above an 78. ________ b.) The probability that 20 students chosen at random have a mean score above an 78. _________ c.) The probability that one student chosen at random scores between a 68 and an 78. __________ d.) The probability that 20 students chosen at random have a mean score between a 68 and an 78. __________
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 11PPS
Related questions
Question
Student scores on Professor of Stats final exam are
Find the
**(use 4 decimal places)**
a.) The probability that one student chosen at random scores above an 78. ________
b.) The probability that 20 students chosen at random have a mean score above an 78. _________
c.) The probability that one student chosen at random scores between a 68 and an 78. __________
d.) The probability that 20 students chosen at random have a mean score between a 68 and an 78. __________
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