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lawyer [7]
3 years ago
10

In a survey of 300 college graduates 53 reported that they entered a profession closely related to their college major. if 9 of

those survey subjects are randomly selected without replacement for a follow-up survey,what is the probability that 3 of them enter a profession closely to their college major?
Mathematics
1 answer:
bija089 [108]3 years ago
3 0

Answer:

what are the choices?

Step-by-step explanation:

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If a function is written in slope intercept form, y=mx+b, the x represents the ______.
Hitman42 [59]

The x in y = mx + b represents the input, C.

4 0
3 years ago
Through which angle of rotation does the image of a regular pentagon coincide with its preimage?
Svetach [21]
Answer: 72° or any muliple of it: 72°, 144°, 216°, 288°, 360°, ...

It can be either clockwise or counterclockwise.


Explanation:


Thi is because a regular pentagon has 5 congruent sides.

Then you determine the angle of rotation by dividing 360° (a complete turn) by the number of sides (5)

360° / 5 = 72°.

Then every 72° the segments of the image will overlap those of the preimage.
4 0
3 years ago
A simple random sample of 36 men from a normally distributed population results in a standard deviation of 10.1 beats per minute
Katyanochek1 [597]

Answer:

Step-by-step explanation:

Given that:

sample size n = 36

standard deviation = 10.1

level of significance ∝ = 0.10

The null hypothesis and the alternative hypothesis can be computed as follows:

H_0 : \sigma = 10

H_1 : \sigma \neq 10

The test statistics can be computed as follows:

X^2 = \dfrac{(n -1)s^2 }{\sigma ^2}

X^2 = \dfrac{(36 -1)10.1^2 }{10^2}

X^2 = \dfrac{(35)102.01 }{100}

X^2 = \dfrac{3570.35 }{100}

X^2 =35.704

degree of freedom = n - 1 = 36 - 1 = 35

Since this test is two tailed .

The P -value can be determined by using the EXCEL FUNCTION ( = 2 × CHIDIST(35.7035, 35)

P - value = 2 × 0.435163515

P - value = 0.8703      ( to four decimal places)

Decision Rule : To reject the null hypothesis if  P - value is less than the 0.10

Conclusion: We fail to reject null hypothesis ( accept null hypothesis) since p-value is greater than 0.10 and we conclude that there is sufficient claim that the normal range of pulse rates of adults given as 60 to 100 beats per minute resulted to a standard deviation of 10 beats per minute.

3 0
3 years ago
What is the ratio 18 to 27 written as a fraction in lowest terms?
Studentka2010 [4]
18:27=\dfrac{18}{27}=\dfrac{18:9}{27:9}=\dfrac{2}{3}=2:3
7 0
3 years ago
a rectangular field has a length of 485 meters and a width of 155 meters how much would it cost to fence the field at £14 a mete
Anna [14]

Answer:

£17920

Step-by-step explanation:

total length of the field = 2(155+485) = 1280m

cost = 1280 * 14 = 17920

6 0
3 years ago
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