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Scorpion4ik [409]
3 years ago
6

A 4 pound roast must be cooked for 30 minutes per pound and must rest for 15 minutes when must it be put into the oven in order

to it be ready to be served by 6 pm
Mathematics
1 answer:
Alinara [238K]3 years ago
4 0
So put it in 2 hours and 15 minutes before 6pm which would be 3:45
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The time between calls made to Amazon's customer service is exponentially distributed with a mean of 10 minutes (taken between e
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Answer:

The probability that the time between the next two calls is between 3 minutes and 7 minutes is 0.2442.

Step-by-step explanation:

Let <em>X</em> = time between calls made to Amazon's customer service.

The average time between calls is, <em>β</em> = 10 minutes.

The random variable <em>X</em> follows an Exponential distribution with parameter \lambda=\frac{1}{\beta}=\frac{1}{10}=0.10

The probability distribution function of <em>X</em> is:

f_{X}(x)=\left \{ {{\lambda e^{-\lambda x};\   x>0}} \atop {0;\ otherwise}} \right.

Compute the probability that the time between the next two calls is between 3 minutes and 7 minutes as follows:

P(3

Thus, the probability that the time between the next two calls is between 3 minutes and 7 minutes is 0.2442.

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What is the median from the following set of data:1,2,3,3,3,8,8,11,15?
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Answer:

3

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