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kondaur [170]
3 years ago
15

Convert 55° 16' 30" into radian measure.​

Mathematics
1 answer:
Colt1911 [192]3 years ago
8 0

Answer:

55° 16' 30" = 0.9648 radians .

Step-by-step explanation:

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Answer:6

Step-by-step explanation:

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2 years ago
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1. Naty bought a dress for $24.95 and a skirt for $14.95. The sales clerk said the total
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Answer:

Answer:

39.995=40.00

   

Step-by-step explanation:

0.095 is tax he just added 9.5 he is not correct

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What is 3 squared(6+3) + (10 squared)/5 ???
Varvara68 [4.7K]
The answer to this problem is 101
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If PQRS is a square and TR = 17, find each missing value. Round to the nearest tenth.
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2 years ago
Independent random samples are taken at a university to compare the average GPA of seniors to the average GPA of sophomores. Giv
Marianna [84]

Answer:

Correct options is (A).

Step-by-step explanation:

A (1 - <em>α</em>)% confidence interval can be constructed to determine whether there is any difference between the average GPA of seniors and the average GPA of sophomores.

The hypothesis can be defined as:

<em>H₀</em>: There is no difference between the average GPA of seniors and the average GPA of sophomores, i.e. <em>μ</em>₁ - <em>μ</em>₂ = 0.

<em>Hₐ</em>: There is a difference between the average GPA of seniors and the average GPA of sophomores, i.e. <em>μ</em>₁ - <em>μ</em>₂ ≠ 0.

The (1 - <em>α</em>)% confidence interval for the difference between two means is:

CI=(\bar x_{1}-\bar x_{1})\pm z_{\alpha /2}\times SE

Decision rule:

If the confidence interval contains the mull value, i.e. 0, then the null hypothesis will be failed to be rejected and vice-versa.

The 95% confidence interval for the difference between the true average GPAs (seniors - sophomores) is (0.53, 1.61).

The 95% confidence interval dos not contains 0. Thus, the null hypothesis will be rejected.

Conclusion:

There is a significant difference between the average GPA of seniors and the average GPA of sophomores.

The 95% confidence interval for the difference between the true average GPAs (0.53, 1.61), implies that there is a 95% confidence that the average GPA of seniors is greater than the average GPA of sophomores.

Thus, the correct options is (A).

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3 years ago
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