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neonofarm [45]
3 years ago
15

Can somebody help me with this answer

Mathematics
1 answer:
Sidana [21]3 years ago
4 0
The answer is 42 I have to type more letters the this says but the answer is 42
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Answer:

n > -2

Step-by-step explanation:

5n > -10

n > -2

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For a group of 100 people, compute(a) the expected number of days of the year that are birthdays of exactly 3 people.(b) the exp
Scilla [17]

Answer:

Step-by-step explanation:

Leaving leap years, a year contains 365 days.

For a group of 100 people, each person is independent of the other and probability of any day being his birthday has a chance of

\frac{1}{365}

a) Probability that  exactly 3 people have same birthday = \frac{1}{365^3}

Each day is independent of the other

And hence no of days having exactly 3 persons birthday out of 100 persons is binomial with n = 365 and p = \frac{1}{365^3}

Expected value of days = np = \frac{1}{365^2}

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Hence

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Translate the following sentence into an equation. The quotient of a number and -2, less 10, is -18. Giving brainliest
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