3 years ago

This needs to be turned in in 15 minutes help also can u answer both

Mathematics

1 answer:

Yuri [45]3 years ago

7 0

Answer:

1. 12

Step-by-step explanation:

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3 years ago

A binomial event has n = 50 trials. The probability of success for each trial is 0.60. Let x be the number of successes of the e

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Answer:

30 and 3.4641

Step-by-step explanation:

The mean of a binomial distribution is:

μ = np

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σ = √(npq) = √(50 × 0.60 × 0.40) = 3.4641

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3 years ago

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Step-by-step explanation:

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3 years ago

A book sold 35,300 copies in its first month of release. Suppose this represents 6.3 of the numbers sold to date. How many copie

skelet666 [1.2K]

Answer:

560,317.460

Step-by-step explanation:

The computation of copies that have been sold is shown below:-

we assume the number of copies is x

So, the number of copies in the first month is

= $\frac{6.3}{100} x$

As per the situation the number of sold copies is 35,300 so the equation will be

$\frac{6.3}{100} x = 35,300$

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after solving the above equation we will get the number of copied that have been sold to date

= 560,317.460

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3 years ago