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Statistic HW help. PLEASE?

A brand name has a 50 percent recognition rate. Assume the owner of the brand wants to verify that rate by beginning with a small sample of 7

a. What is the probability that exactly 6 of the selected consumers recognize the brand name?

The probability that exactly 6 of the 7?

I know the answer is 0.055 , but I don't know how to get the other two

b. What is the probability that all of the selected consumers recognize the brand name?

The probability that all of the selected consumers recognize the brand name is

c. What is the probability that at least 6 of the selected consumers recognize the brand name?

The probability that at least 6? of the selected consumers recognize the brand name

Someone please show steps

1 Answer

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  • !!!
    Lv 7
    5 years ago
    Favorite Answer

    a. 7C6x.50^6x.50^1=0.0546875

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