Alarge grocery store chain believes that 75% of its customers use the store's "savings card" when they make purchases. the manager in charge of the "savings card" program has randomly sampled 23 customers and observed whether or not they used the card. complete parts a through c. a. assuming that the 75% use rate is correct, what is the probability that 18 or more people in the sample used the card?

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step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2

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step-by-step explanation:

answer: (1,3) (3,-1) (5,-5) ?

step-by-step explanation: