QUESTION 12 According to a recent study, 10.8% of students aged 15-18 in UAE suffer from asthma. Suppose that 20 students aged 15-18 were randomly selected from UAE schools. Find the probability that at most two are asthmatic. Round your answer to four decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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QUESTION 12
According to a recent study, 10.8% of students aged 15-18 in UAE suffer from asthma. Suppose that 20 students aged 15-18 were randomly selected from UAE schools. Find the
probability that at most two are asthmatic. Round your answer to four decimal places.
QUESTION 13
A consumer research company reported that 12% of new tablets of a certain brand will require repairs during the warranty period. A particular store sold 30 such tablets last month.
Find the probability that 20 will NOT require repairs during the warranty period? Round the answer to four decimal places.
Find the expected number of the sold tablets that will require repairs during the warranty period. Round the answer to one decimal place.
Find the standard deviation of the number of sold tablets that will require repairs during the warranty period. Round the answer to one decimal place.
Transcribed Image Text:QUESTION 12 According to a recent study, 10.8% of students aged 15-18 in UAE suffer from asthma. Suppose that 20 students aged 15-18 were randomly selected from UAE schools. Find the probability that at most two are asthmatic. Round your answer to four decimal places. QUESTION 13 A consumer research company reported that 12% of new tablets of a certain brand will require repairs during the warranty period. A particular store sold 30 such tablets last month. Find the probability that 20 will NOT require repairs during the warranty period? Round the answer to four decimal places. Find the expected number of the sold tablets that will require repairs during the warranty period. Round the answer to one decimal place. Find the standard deviation of the number of sold tablets that will require repairs during the warranty period. Round the answer to one decimal place.
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