How did u get How did u get 015121 Sub u begins with 20 households having TV set

Question

How did u get How did u get 015121 Sub u begins with 20 households having TV sets in use at the time of a Lindsay and Tobias broadcast a. Find the probability that none of the households are tuned to Lindsay and Tobias (Round to three decimal places as needed) b. Find the probability that at least one household is tuned to Lindsay and Tobias Round to three decimal places as needed ) c. Find the probability that at most one household is tuned to Lindsay and Tobias Round to three decimal places as needed) d.ratmost one household is tuned to Lindsay and Tobias, does it appear hat the 10% share value is among? Why or why not? OA. Yes, because with a 10% rate, te probebaty of at most one household is geater than 005 O B. Yes, because with a 10% rate the probablity of at most one household is less than 0 05 O c. No, because with a 10% rate, the of at most one household is less than 005 eater than 0 05 D, No, because with a 10% rate, the probability of at most one household is g Click to select your answeris)

Explanation / Answer

for binomial distribution n=20 and p=0.1

a) P(none are turned to) =(0.9)20 =0.122

b) P(at least one) =1-0.122 =0.878

c)P(at most one) =P(X=0)+P(x=1)=0.392

d)

option D is correct

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