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Rudik [331]
3 years ago
14

What is the value of 2 + 8 ÷ 2 × k, if k = 4?

Mathematics
1 answer:
Vadim26 [7]3 years ago
6 0

Answer: 18

Step-by-step explanation:

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The assembly time for a product is uniformly distributed between 6 to 10 minutes. The probability of assembling the product betw
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Answer:

The probability of assembling the product between 7 to 9 minutes is 0.50.

Step-by-step explanation:

Let <em>X</em> = assembling time for a product.

Since the random variable is defined for time interval the variable <em>X</em> is continuously distributed.

It is provided that the random variable <em>X</em> is Uniformly distributed with parameters <em>a</em> = 6 minutes and <em>b</em> = 10 minutes.

The probability density function of a continuous Uniform distribution is:

f_{X}(x)=\left \{ {{\frac{1}{b-a};\ a

Compute the probability of assembling the product between 7 to 9 minutes as follows:

P(7

                      =\frac{1}{4}\times \int\limits^{9}_{7}{1}\, dx

                      =\frac{1}{4}\times [x]^{9}_{7}\\

                      =\frac{1}{4}\times (9-7)\\

                      =\frac{1}{2}\\=0.50

Thus, the probability of assembling the product between 7 to 9 minutes is 0.50.

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What percent is 25 of 100?
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