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Alja [10]
3 years ago
8

A teacher chooses two students in a class of 15 girls and 10 boys. The students are randomly chosen. What is the probability tha

t the teacher chooses two girls?
1. 3/5
2. 3/7
3. 7/12
4. 7/20
Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0

Answer:

15/25 which simplifies to 3/5 which is the first answer

Step-by-step explanation:

You might be interested in
120 is the product of 8 and Julie's score.
adell [148]

Answer:

Julie's score is 15.

Step-by-step explanation:

This can be solved in two ways:

⇒ 120 ÷ 8

⇒ Experimentation on what × 8 = 120 (adding random numbers until you get 120 as a product).

Let's use the first method.

⇒ 120 ÷ 8

         1 5

   __________

8 |  1  2 0

   -     8

        ____

        4    0

       - 4  0

      ____

       0

Therefore, Julie's score is 15.

5 0
3 years ago
Using the information above regarding the proportion of agenda-less meetings, choose the correct conclusion for this hypothesis
ruslelena [56]

Answer: There is sufficient evidence to conclude that the proportion of agenda-less meetings is greater than 45%.

Step-by-step explanation:

Given: H_0:p=0.45 \\ H_a:p>0.45

The p-value for this hypothesis test is 0.025.

The level of significance is α=0.05

As p-value< α  ∵0.025< 0.05

[if p-value< α , we reject H_0]

then, we reject the null hypothesis.

i.e. We have sufficient evidence to support the alternative hypothesis.

Hence, the correct statement is : There is sufficient evidence to conclude that the proportion of agenda-less meetings is greater than 45%.

3 0
4 years ago
1. Michael's pool has a diameter of 16 feet. What is the surface
sineoko [7]
FORMULAS



Surface Area (Circle): Radius x Radius x 3.14 (Radius = Diameter / 2)
Surface Area (Rectangle/Square): Length x Width
Volume (Circle/Rectangle/Square): Surface Area x Average Depth x 7.5
Average Depth: (Shallow Depth + Deep Depth) ÷ 2
(Note: Constant Depth = Average Depth)
4 0
4 years ago
Find the x and y intercept of y = -2x + 7
vova2212 [387]
To find the x-intercept, make y equal to 0. Then you get (7/2,0)

To find the y-intercept, make x equal to 0. Then you get (0,7)



8 0
3 years ago
Simplify (7x)- (-2x).<br><br> A 5x<br><br> B-5x<br><br> C9x<br><br> D-9x
WITCHER [35]
You answer is C because 7-(-2) is 9 and then u just had an X at the end .

Hope this helps:)
6 0
3 years ago
Read 2 more answers
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