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3 years ago

Please. I only need help on parts A and B. Please DO NOT just answer with you don't know or something compelety random. Thanks.

Mathematics

1 answer:

Lilit [14]3 years ago

8 0

Answer: sir

Step-by-step explanation:

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What's the name of the line segment in the diagram below?

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3 years ago

6/13 as a decimal rounded to the nearest thousandth

Tema [17]

Answer:

the answer will be 0.462

Step-by-step explanation:

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3 years ago

4.) The time X (minutes) for a lab assistant to prepare the equipment for a certain experiment is believed to have a uniform dis

Jet001 [13]

Answer:

$P(35-2 < X 35+2) = P(33< X< 37)= P(X$

And using the cumulative distribution function we got:

$P(35-2 < X 35+2) = P(33< X< 37)= P(X$

The probability that preparation is within 2 minutes of the mean time is 0.134

Step-by-step explanation:

For this case we define the following random variable X= (minutes) for a lab assistant to prepare the equipment for a certain experiment , and the distribution for X is given by:

$X \sim Unif (a= 20, b =50)$

The cumulative distribution function is given by:

$F(x) = \frac{x-a}{b-a} , a \leq X \leq b$

The expected value is given by:

$E(X) = \frac{a+b}{2} = \frac{20+50}{2}=35$

And we want to find the following probability:

$P(35-2 < X 35+2) = P(33< X< 37)$

And we can find this probability on this way:

$P(35-2 < X 35+2) = P(33< X< 37)= P(X$

And using the cumulative distribution function we got:

$P(35-2 < X 35+2) = P(33< X< 37)= P(X$

The probability that preparation is within 2 minutes of the mean time is 0.134

8 0

3 years ago

Help me i need it within 5 mins

Snowcat [4.5K]

Add them all up and divide by 30. Answer: $55.20.

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3 years ago