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Author Question: If x is a binomial random variable, calculate for n = 70 and p = 0.4. (Read 31 times)

rl

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Question 1

A local newspaper claims that 70% of the items advertised in its classifieds section are sold within 1 week of the first appearance of the ad. To check the validity of the claim, the newspaper randomly selected advertisements from last year's classifieds and contacted the people who placed the ads. They found that 16 of the 25 items sold within a week. Based on the newspaper's claim, is it likely to observe who sold their item within a week? Use a binomial probability table.

Question 2

If x is a binomial random variable, calculate μ for n = 70 and p = 0.4.
◦ 35
◦ 28
◦ 16.8
◦ 2.8


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Marked as best answer by rl on Feb 14, 2020

djpooyouma

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rl

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Reply 2 on: Feb 14, 2020
Wow, this really help


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Reply 3 on: Yesterday
Excellent

 

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