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charle [14.2K]
3 years ago
8

As Jupiter revolves around the sun, it travels at a speed of approximately 8 miles per second. Convert this speed to kilometers

per second. At this speed, how many kilometers will Jupiter travel in 20 seconds? In your computations, assume hat 1 mile is equal to 1.6 kilometers
Mathematics
1 answer:
Ket [755]3 years ago
6 0
1 mile is 1.6 kilometers, 1.6*8= 12.8 miles per second

12.8*20=256

hope this helped
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Answer:

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b) Variance 10.24, Standard deviation 3.2

Step-by-step explanation:

For each question, there are only two possible outcomes. Either you guesses the answer correctly, or you does not. The probability of guessing the answer of a question correctly is independent of other questions. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

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The expected value of the binomial distribution is:

E(X) = np

The variance of the binomial distribution is:

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The standard deviation of the binomial distribution is:

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(a) What is your expected score on the exam?

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(b) Compute the variance and standard deviation of x. Variance =Standard deviation

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Step-by-step explanation:

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Therefore, the values of b are:

\frac{-3+ 2\sqrt{3}}{2}\textrm{ and }\frac{-3- 2\sqrt{3}}{2}

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