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2 years ago

What solid 3D object is produced by rotating the semicircle about line \blue mmstart color #6495ed, m, end color #6495ed?

Mathematics

1 answer:

tatuchka [14]2 years ago

4 0

Answer:

semi-circle

Step-by-step explanation:

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Suppose the time it takes a barber to complete a haircuts is uniformly distributed between 8 and 22 minutes, inclusive. Let X =

salantis [7]

Answer:

$P(X>14)= 1-P(X$

And replacing we got:

$P(X>14)= 1- \frac{14-8}{22-8}= 0.5714$

The probability that a randomly selected barber needs at least 14 minutes to complete the haircut is 0.5714

Step-by-step explanation:

We define the random variable of interest as x " time it takes a barber to complete a haircuts" and we know that the distribution for X is given by:

$X \sim Unif (a= 8, b=22)$

And for this case we want to find the following probability:

$P(X>14)$

We can find this probability using the complement rule and the cumulative distribution function given by:

$P(X$

Using this formula we got:

$P(X>14)= 1-P(X$

And replacing we got:

$P(X>14)= 1- \frac{14-8}{22-8}= 0.5714$

The probability that a randomly selected barber needs at least 14 minutes to complete the haircut is 0.5714

6 0

2 years ago

What is the value of 5 in 756? Write and draw to explain how you know

ozzi

The 5 is represented as 50. The number is in the tens place, and 5 in the tens place means 50.
$700 + 50 + 6 = 756$

4 0

2 years ago

Read 2 more answers

Every day, Bert spends an hour commuting to and from his office, driving at an average speed of 50 mph and taking the same route

Ira Lisetskai [31]

About 45 miles and if you have options choose the closest to45 miles

7 0

2 years ago

Kurtosis of a normal data distribution is a ___________________ Group of answer choices Measure of data centrality Measure of da

Irina18 [472]

Answer:

Option A, Measure of data centrality

Step-by-step explanation:

Normal distribution curve determines the skewness of the data as to what extent is is disoriented from the normal distribution curve. Also, it is the probability distribution curve that determines whether the data set is two legged, one legged or it lies under which probability curve.

Hence option A is correct

5 0

2 years ago

A rectangular window has a length of 81.47 cm and a width of 34.2 cm. What is the least precise measurement of the perimeter of

Pie

The least precise measurement of the perimeter of the window is 231.30

Step-by-step explanation:

The least price measurement mean a value with the least number of significant figures.calculate the perimeter in this case as;

Perimeter of a rectangle = 2(l+w) where l is the length and w is the width

Perimeter= 2(81.47 + 34.2)

Perimeter=2(115.67)

Perimeter=231.34

Perimeter=231.30(4 significant figures)

Learn More

Significant figures : brainly.com/question/11566364

Keywords : Perimeter, Least precise measurement

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2 years ago