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# Probability

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A TV show, DOG and CAT, recently had a share of 20, meaning that among the TV sets in use, 20% were tuned to that show. Assume that an advertiser wants to verify that 20% share value by conducting its own survey, and a pilot survey begins with 9 households having TV sets in use at the time of a GOD and CAT broadcast:

- Find the probability that none of the households are tuned to DOG and CAT _____ (round to three decimal places as needed)

- Find the probability that at least one house hold is tuned to DOG and CAT ____ (do not round until final answer. Then round to three decimal places as needed)

- Find the probability that at most one household is tuned to DOG and CAT ____ (do not round until final answer. Then round to three decimal places as needed)

- If at most one household is tuned to DOG and CAT, does it appear that the 20% share value is wrong?

a. YES because the 20% rate, the probability of at most one household is greater than .05
b. YES because the 20% rate, the probability of at most one household is less than .05
c. NO because the 20% rate, the probability of at most one household is less than .05
d. NO because the 20% rate, the probability of at most one household is greater than .05

##### Solution Summary

This solution is comprised of detailed step-by-step calculations and analysis of the given problems related to Probability and provides students with a clear perspective of the underlying concepts.

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• MSc, Osmania University
• MSc, Indian Institute of Technology - Roorkee (I.I.T.-ROORKEE)
• BSc, Banaras Hindu University
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