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Irina-Kira [14]
3 years ago
10

Thank u :)!! for the help

Mathematics
1 answer:
Alla [95]3 years ago
5 0
11 pls mark me brainliest
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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

And the standard deviation of a binomial distribution is:

σ = √(npq)

Here, n = 50, p = 0.60, and q = 0.40.

μ = np = 50 × 0.60 = 30

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

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A normal distribution has a mean of 10 and a standard deviation of 1. What is the probability of selecting a number that is at m
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Answer: 0.500

Step-by-step explanation:

Given : A normal distribution has a mean(\mu) of 10 and a standard deviation(\sigma) of 1.

Let x be a random variable that represents numbers .

The probability of selecting a number that is at most 10 will be

P(x\leq10)=P(\dfrac{x-\mu}{\sigma}\leq\dfrac{10-10}{1})\\\\=P(z\leq0)=0.500

As the area occupied by standard normal curve less than equal to 0 = 0.500

So, required probability = 0.500

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A bank made a farmer a loan of $1,400 at 15% for three years compounded annually. Find the future value and the compound interes
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Step-by-step explanation:

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What’s the reciprocal of 5 and 11/12
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1/5 and 12/11

Step-by-step explanation:

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