In a country, a day can be either rainy or sunny. The probability of a day being rainy is 60.0% . Suppose, you have chosen 19 random days in a year. a. What is the mean number of rainy days among all those chosen days? Answer in exact fraction, or rounded to at least 2 decimal places. b. What is the standard deviation in the number of rainy days? Answer in exact fraction, or rounded to at least 2 decimal places. c. What is the probability that the number of rainy days is more than 1 standard deviations away from the mean value? Answer in exact fraction, or rounded to at least 4 decimal places.
In a country, a day can be either rainy or sunny. The probability of a day being rainy is 60.0% . Suppose, you have chosen 19 random days in a year. a. What is the mean number of rainy days among all those chosen days? Answer in exact fraction, or rounded to at least 2 decimal places. b. What is the standard deviation in the number of rainy days? Answer in exact fraction, or rounded to at least 2 decimal places. c. What is the probability that the number of rainy days 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
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 11PPS
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