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algol13
3 years ago
15

Jasmine has 5 books that she wants to read. She wants to read the nonfiction book first and the mystery book last. In how many d

ifferent orders can she read the books?
Mathematics
2 answers:
MissTica3 years ago
7 0

We have been given that Jasmine has 5 books and she wants to read the nonfiction book first and the mystery book last. It means that the time of reading of 2 books are fixed. Now she has 3 books which she needs to arrange.

Now, we know that n different things can be arranged in n! ways. We can use this concept to find the number of different orders can she read the books.

Using the above concept, 3 books can be arranged in 3! ways.

3!=1\times 2\times 3 \\
3!=6

Therefore, there are 6 different orders in which she can read the books.

umka21 [38]3 years ago
4 0
The different combinations is 9, since we can't rearrange the two novels.
I did 3*3 which equals 9.
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Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per mi
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Answer:

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Step-by-step explanation:

We are given the following in the question:

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Standard Deviation, σ = 11.6 beats per minute

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Formula:

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Putting the values, we get,

z_{score} = \displaystyle\frac{x-77.5}{11.6}

After, the standardization, that is conversion of all pulse rates of women to z scores, the mean of the distribution is 0 and standard deviation is 1.

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Step-by-step explanation:

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