The television show NBC Sunday Night Football broadcast a game between the Colts and Patriots and received a share of 22, meaning that 22% of the TV sets in use were tuned to that game. An advertiser wants to obtain a second opinion by conducting its own survey using 20 households. a) Find the probability that exactly one of the households is tuned to NBC Sunday Night Football.

b) Find the probability that at least two households are tuned to NBC Sunday Night Football.

c) Find the probability that at most two households are tuned to NBC Sunday Night Football.

d) If at most one household is tuned to NBC Sunday Night Football, does it appear that the 22% share value is wrong? Why or why not?

Ju

yes because they have the same amount of green and blur marbles.

step-by-step explanation:

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step-by-step explanation:

a

step-by-step explanation:

given the 2 equations

- x + y = - 2 → (1)

2x - 3y = 4 → (2)

multiplying (1) by 2 and adding to (2) will eliminate the x- term

- 2x + 2y = - 4 → (3)

add (2) and (3) term by term

(2x - 2x) + (- 3y + 2y) = (4 - 4), simplifying gives

- y = 0 ⇒ y = 0

substitute y = 0 in either of the 2 equations for corresponding value of x

substituting in (2) gives

2x = 4 ( divide both sides by 2 )

x = 2

solution is (2, 0 ) → a