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An archer can either hit or miss his target. The probability of hitting a target is 70.0% . Suppose, he will take 19 attempts on a specific day. a. What is the mean number of attempts in which he hits the targets? Answer in exact fraction, or rounded to at least 2 decimal places. b. What is the standard deviation in the number of successful attempts? Answer in exact fraction, or rounded to at least 2 decimal places. c. What is the probability that the number of successful attempts is more than 1 standard deviations away from the mean value? Answer in exact fraction, or rounded to at least 4 decimal places.

An archer can either hit or miss his target. The probability of hitting a target is 70.0% . Suppose, he will take 19 attempts on a specific day. a. What is the mean number of attempts in which he hits the targets? Answer in exact fraction, or rounded to at least 2 decimal places. b. What is the standard deviation in the number of successful attempts? Answer in exact fraction, or rounded to at least 2 decimal places. c. What is the probability that the number of successful attempts is more than 1 standard deviations away from the mean value? Answer in exact fraction, or rounded to at least 4 decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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An archer can either hit or miss his target. The probability of hitting a target is 70.0% . Suppose, he will take 19 attempts on a specific day. a. What is the mean number of attempts in which he hits the targets? Answer in exact fraction, or rounded to at least 2 decimal places. b. What is the standard deviation in the number of successful attempts? Answer in exact fraction, or rounded to at least 2 decimal places. c. What is the probability that the number of successful attempts is more than 1 standard deviations away from the mean value? Answer in exact fraction, or rounded to at least 4 decimal places.
Transcribed Image Text:An archer can either hit or miss his target. The probability of hitting a target is 70.0% . Suppose, he will take 19 attempts on a specific day. a. What is the mean number of attempts in which he hits the targets? Answer in exact fraction, or rounded to at least 2 decimal places. b. What is the standard deviation in the number of successful attempts? Answer in exact fraction, or rounded to at least 2 decimal places. c. What is the probability that the number of successful attempts is more than 1 standard deviations away from the mean value? Answer in exact fraction, or rounded to at least 4 decimal places.
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