Question

77% of owned dogs in the United States are spayed or neutered. Round your answers to...

77% of owned dogs in the United States are spayed or neutered. Round your answers to four decimal places. If 38 owned dogs are randomly selected, find the probability that

a. Exactly 31 of them are spayed or neutered. Incorrect
b. At most 31 of them are spayed or neutered. Incorrect
c. At least 27 of them are spayed or neutered. Correct
d. Between 27 and 32 (including 27 and 32) of them are spayed or neutered. Incorrect

Round all answers to 4 decimal places.

Math   Statistics-And-Probability   
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Answer #1

Let X denotes the number of dogs that are spayed or neutered among randomly selected 38 dogs.

Here,

X ~ Binomial(n = 38, p = 0.77)

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