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777dan777 [17]
3 years ago
11

Create and type story problem to fit this scenario 46-3x=19

Mathematics
1 answer:
Zanzabum3 years ago
3 0

Answer:

John has 46 dollars in a savings account, every week he spends three dollars on coffee. John wants to keep 19 dollars to buy his friend a gift. how many weeks before john only has 19$?

Step-by-step explanation:

idk that was the first thing i could think of but itll take him 9 weeks.

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a. This is a binomial probability.

Let q = probability of giving out wrong number = 15 % = 0.15

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For a binomial probability, P(x) = ⁿCₓqˣpⁿ⁻ˣ. With n = 10 and x = 1, the probability of getting a number wrong P(x = 1) = ¹⁰C₁q¹p¹⁰⁻¹

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= 11.26 %

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= ¹⁰C₀q⁰p¹⁰⁻⁰ + ¹⁰C₁q¹p¹⁰⁻¹

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Since the probability of at most one wrong number i got P(x ≤ 1) = 6.76 % ≠ 15 % the original probability of at most one are not equal, it thus appears that the original probability of 15 % is wrong.

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