Question

TTT is a television ratings company. TTT announced that on 11^th of June 2020, for a specific program on DDD TV channel, 10% of all televisions in NY tuned to DDD TV channel. It is known that the similar specific program will be presented on 25^th of June 2020 on DDD TV channel. What is the probability that in a random sample of 20 television sets in NY , 3 or fewer would have been tuned to DDD TV channel? Find the mean and standard deviation. Explain your solution in detail.

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Answer 1