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Ivenika [448]
3 years ago
12

Can someone please help me with this asap ill mark brainlist !!

Mathematics
1 answer:
Verdich [7]3 years ago
8 0

Answer:

-6

Step-by-step explanation:

Took the quiz and got it right

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How to show my work when I have a math problem
Over [174]

Answer:

Here is how

Step-by-step explanation:

You find your answer to the problem and explain how do did it or you write the steps of how you did the problem. Also put your answer.

5 0
3 years ago
What is 11.42424242 converted into a rational expression in the form of a fraction?
tester [92]
The answer is 11 and 14/33. 

3 0
3 years ago
I stumbled on this question
nadezda [96]
Q20) c < 82-76
c < 6
Hope this helps
4 0
3 years ago
Identify thenull hypothesis, alternative hypothesis, test statistic, P-value or critical value(s), then state the conclusion abo
miv72 [106K]

Answer:

Step-by-step explanation:

This is a test of 2 population proportions. Let m and w be the subscript for men and women players. The population proportions would be pm and pw

Pm - Pw = difference in the proportion of male and female players.

The null hypothesis is

H0 : pm = pw

pm - pw = 0

The alternative hypothesis is

Ha : pm ≠ pw

pm - pw ≠ 0

it is a two-tailed test

Sample proportion = x/n

Where

x represents number of success

n represents number of samples

For men,

xm = 1027

nm = 2441

Pm = 1027/2441 = 0.42

For women,

xw = 509

nw = 1273

Pw = 509/1273 = 0.4

The pooled proportion, pc is

pc = (xm + xw)/(nm + nw)

pc = (1027 + 509)/(2441 + 1273) = 0.41

1 - pc = 1 - 0.41 = 0.59

z = (Pm - Pw)/√pc(1 - pc)(1/nm + 1/nw)

z = (0.42 - 0.4)/√(0.41)(0.59)(1/2441 + 1/1273) = 0.02/√0.0002891223

z = 1.18

Since it is a 2 tailed test, we would find the p value by doubling the area to the right of the z score to include the area to left.

Area to the right from the normal distribution table is

1 - 0.881 = 0.119

P value = 0.119 × 2 = 0.238

Since 0.05 < 0.238, we would accept the null hypothesis

Therefore, there is no sufficient evidence to conclude that that men and women have unequal success in challenging calls.

3 0
3 years ago
What is the value of x in the equation below?<br><br> 7x + 8 = -13
ivann1987 [24]

Answer:

x=-3

Step-by-step explanation:

7x=-13-8

7x=--21

x=-21/7

x=-3

points or brainleist please

8 0
2 years ago
Read 2 more answers
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