A cell phone company wants to predict the probability of a seventh grader in your city, City A, owning a cell phone. Records from another city, City B, indicate that of seventh graders own a cell phone.
a. Assuming the probability of a seventh grader owning a cell phone is similar for the two cities, estimate the probability that a randomly selected seventh grader from City A owns a cell phone.
b. According to the data, which of the following is more likely?
 a seventh-grade male owning a cell phone
 a seventh grader owning a cell phone Explain your choice.

Question

26-02-2015
Mathematics

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A cell phone company wants to predict the probability of a seventh grader in your city, City A, owning a cell phone. Records from another city, City B, indicate that of seventh graders own a cell phone.
a. Assuming the probability of a seventh grader owning a cell phone is similar for the two cities, estimate the probability that a randomly selected seventh grader from City A owns a cell phone.
b. According to the data, which of the following is more likely?
 a seventh-grade male owning a cell phone
 a seventh grader owning a cell phone Explain your choice.

Sagot :

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apologiabiology apologiabiology · Answer 1 · 2015-02-26T19:17:42-05:00

apologiabiology apologiabiology

26-02-2015

well, I can't see the numberes if any

so I can only answer part b

a 7th grader male or a seventh grader

there are male and female 7th graders so thereefor there is a greater probaility of having a 7th grader of any gender than a 7th grader male

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