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Dafna1 [17]
3 years ago
5

Janai goes to dinner and the bill comes to $50.00. She has a coupon for 10% off. Tax is 8%. What is her total bill?

Mathematics
1 answer:
kogti [31]3 years ago
8 0

Answer:

$48.60

Step-by-step explanation:

50(.10)=5.00 50-5=45. 45(.8)=3.60. $45.00+$3.60 = $48.60

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For each of the following binomial random variables, specify n and p. (a) A fair die is rolled 50 times. X = number of times a 5
Keith_Richards [23]

Answer:

a) n = 50, p = \frac{1}{6}

b) n = 16, p = \frac{1}{100}

c) n = 26, p = 0.25, \mu = 6.5

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

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Each roll can have 6 outcomes. So the probability that 5 is rolled is p = \frac{1}{6}

(b) A company puts a game card in each box of cereal and 1/100 of them are winners. You buy sixteen boxes of cereal, and X = number of times you win.

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1 of 100 are winners. So p = \frac{1}{100}.

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Step-by-step explanation:

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Please mark as Brainliest! :)

Have a nice day.

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