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KatRina [158]
3 years ago
13

In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts Co

llege, and 30% of the students were in the Education College. To see whether the proportions have changed, a random sample of 300 students from ABC University was selected. Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College. Refer to Exhibit 12-4. This problem is an example of a _____. a. multinomial population b. normally distributed variable c. uniformly distributed variable
Mathematics
1 answer:
KIM [24]3 years ago
4 0

Answer:

A. Multinomial population

Explanation:

A multinomial population has categorical data. In other words data in this form has different classes in which data is grouped into. These classes do not overlap and are more than two as opposed to binomial populations that have just two outcome variables or data categories. For example in the above data, we see that data is grouped into three categories:students in business college, students in liberal art college and students in education college

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Hi there!  

»»————- ★ ————-««

I believe your answer is:  

{1, 2, 3, 4, 6, 9, 12, 18, 36}

»»————- ★ ————-««  

Here’s why:

A factor is a whole number that is multiplied by another to have a product have another number.

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The Factors Are:

  • 1 (1 * 36 = 36)
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»»————- ★ ————-««  

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3 years ago
Explain the steps to find x- and y- intercepts of an equation of the form Ax + By = C
slavikrds [6]

Step-by-step explanation:

For an equation of form Ax + By = C, we are given A, B, and C.

The x intercept is when the line/equation is on the x axis, or when y=0.

Therefore, if we plug y=0 into the equation Ax+By=C, and anything multiplied by 0 is equal to 0, we can say that

Ax + 0 = C

Ax = C

divide both sides by A

x  = C/A

Therefore, the x intercept is equal to C/A

Similarly, for the y intercept, or when the line is on the y axis (or when x=0), we have

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Complete parts ​(a) through ​(c) below.
nexus9112 [7]

Answer:

a) t_{crit}=1.34

b) t_{crit}=-1.33

c) t_{crit}=\pm 2.11

Step-by-step explanation:

Part a

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df =15

Since is a right tailed test the critical value is given by:

t_{crit}=1.34

And we can use the following excel code to find it: "=T.INV(0.9,15)"

Part b

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First we need to find the degrees of freedom given by:

df=n-1=20-1=19

Since is a left tailed test the critical value is given by:

t_{crit}=-1.33

And we can use the following excel code to find it: "=T.INV(0.1,19)"

Part c

\alpha=0.05 represent the significance level

n=18 represent the sample size

First we need to find the degrees of freedom given by:

df=n-1=18-1=17

The value of \alpha=0.05 and \alpha/2 =0.025

Since is a two tailed tailed we have two critical values is given by:

t_{crit}=\pm 2.11

And we can use the following excel code to find it: "=T.INV(0.025,17)"

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