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allsm [11]
3 years ago
11

Length of 20 meters and width 10 meters

Mathematics
1 answer:
g100num [7]3 years ago
5 0
Area=200 squared meter
Perimeter =60 meters
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The sum of the measures of angles x and y is 120°. The measure of the angle x is 12 less than the measure of the angle y.
Maru [420]

Answer:

Y-12 + y =120 take 12 to the other side get 2 y = 132

Y=66 so y-12=x

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2 years ago
An independent random sample is selected from an approximately normal population with an unknown standard deviation. Find the p-
Vedmedyk [2.9K]

The complete question is missing, so i have attached it

Answer:

A) Reject the null hypothesis

B) Reject the null hypothesis

C) Fail to reject the null hypothesis

D) Reject the null hypothesis

Step-by-step explanation:

A) We are given;

Ha: μ > μ_o (This is thus, a one-tail problem)

n = 11

T = 1.91

Using online p-value from t-score calculator as attached with a DF = n - 1 = 11 - 1 = 10, and t-value = 1.91, and significance level of 0.05, and 1 tail, we have;

The p-value is 0.042602

P-value is less than significance level, thus, we will reject the null hypothesis

B) We are given;

Ha: μ < μ_o (This is thus, a one-tail problem)

n = 17

T = -3.45

Using online p-value from t-score calculator as attached with a DF = n - 1 = 17 - 1 = 16, and t-value = 1.91, and significance level of 0.05, and 1 tail, we have;

The p-value is  0.001647

P-value is less than significance level, thus, we will reject the null hypothesis

C)We are given;

Ha: μ ≠ μ_o (This is thus, a two-tail problem)

n = 7

T = 0.83

Using online p-value from t-score calculator as attached with a DF = n - 1 = 7 - 1 = 6, and t-value = 0.83, and significance level of 0.05, and 2 tail, we have;

The p-value is 0.438308.

P-value is higher than the significance level, thus, we will fail to reject the null hypothesis.

D) We are given;

Ha: μ > μ_o (This is thus, a one-tail problem)

n = 28

T = 2.13

Using online p-value from t-score calculator as attached with a DF = n - 1 = 28 - 1 = 27, and t-value = 2.13, and significance level of 0.05, and 1 tail, we have;

The p-value is 0.021218

P-value is lower than the significance level, thus, we will reject the null hypothesis

P-value is lower than the significance level, thus, we will reject the null hypothesis.

6 0
3 years ago
......................
Viktor [21]

Answer:

............................

Step-by-step explanation:

8 0
2 years ago
HURRY PLSSSSSSS!!!!!
Tom [10]

Answer:

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Step-by-s

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3 years ago
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Cody started biking to the park traveling 15 mph, after some time the bike got a flat so Cody walked the rest of the way, travel
vovangra [49]

Answer:

2  hours at 15mph

4 hours at 4mph

Step-by-step explanation:


3 0
3 years ago
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