A survey of 500 radio listeners was conducted to find the number who listened to a weekly political program. Of the listeners surveyed, 120 said that they had listened to the political program at least once. If an additional 2,500 listeners are surveyed, which is the best prediction of the number of those listeners who have listened to the political program at least once? ​

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answer: on kudzu, being female and being green are independent events.

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hello,

b) 62.47% of the students are between 14 and 18 years old.

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mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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i'm a sophomore in connections, i'd recommend checking on jishka.com they have a large range of questions and answers from our school.