If policemen whose waist girths belong to the widest 15% will be forced to attend 20 sessions of physical fitness, what is the minimum waist girth of those who will be forced to attend physical fitness sessions?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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(f) answer #1 letter d

1. The waist of the 2,500 policemen in a certain regional office is
normally distributed with a mean of 35 inches and a standard
deviation of 2.5 inches.
a. If PO1 Dela Cruz's waist girth is 32, how many standard
deviations away is he from the mean?
b. What percent of the policemen from that regional office will
have a waist girth between 32 and 40 inches?
C. Approximately how many policemen have waist girth less
than 37.25 inches?
d. If policemen whose waist girths belong to the widest 15%
will be forced to attend 20 sessions of physical fitness, what
is the minimum waist girth of those who will be forced to
attend physical fitness sessions?
2. The average weight of 1,000 3-year-old female toddlers from
a certain barangay is 14 kg with a standard deviation of 2kg.
a. What percent of toddlers have weight greater than or equal
to 16kg?
b. Toddlers who are in the bottom 10 percent are considered
malnourished while toddlers who are in the top 10 percent
are considered obese. What range of weight of a 3-year-old
female toddlers must be achieved in order to avoid being
malnourished and obese?
Transcribed Image Text:1. The waist of the 2,500 policemen in a certain regional office is normally distributed with a mean of 35 inches and a standard deviation of 2.5 inches. a. If PO1 Dela Cruz's waist girth is 32, how many standard deviations away is he from the mean? b. What percent of the policemen from that regional office will have a waist girth between 32 and 40 inches? C. Approximately how many policemen have waist girth less than 37.25 inches? d. If policemen whose waist girths belong to the widest 15% will be forced to attend 20 sessions of physical fitness, what is the minimum waist girth of those who will be forced to attend physical fitness sessions? 2. The average weight of 1,000 3-year-old female toddlers from a certain barangay is 14 kg with a standard deviation of 2kg. a. What percent of toddlers have weight greater than or equal to 16kg? b. Toddlers who are in the bottom 10 percent are considered malnourished while toddlers who are in the top 10 percent are considered obese. What range of weight of a 3-year-old female toddlers must be achieved in order to avoid being malnourished and obese?
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