2. The weight of 2,000 students are normally distributed with the mean of 46kg and standard deviation of 2.5kg. a. How many students are less than 45 kg? b. How many students are heavier than 51.85kg? c. If a student from this group is randomly selected, what is the probability that he/she/they weight between 44kg to 49kg?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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.
b. 25.9 grams
2. The weight of 2,000 students are normally distributed with the mean of 46kg and
standard deviation of 2.5kg.
a. How many students are less than 45 kg?
b. How many students are heavier than 51.85kg?
c. If a student from this group is randomly selected, what is the probability that
he/she/they weight between 44kg to 49kg?
Transcribed Image Text:b. 25.9 grams 2. The weight of 2,000 students are normally distributed with the mean of 46kg and standard deviation of 2.5kg. a. How many students are less than 45 kg? b. How many students are heavier than 51.85kg? c. If a student from this group is randomly selected, what is the probability that he/she/they weight between 44kg to 49kg?
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