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Galina-37 [17]
3 years ago
14

Gabrielle took a Spanish test with 50 questions and answered 44 of them correctly. What percent of the questions did Gabrielle a

nswer correctly?
Mathematics
2 answers:
Ivenika [448]3 years ago
8 0

Gabrielle took a Spanish test with 50 questions. She answered 50 questions but only answered 44 of them correctly. What percent of the questions did Gabrielle answer correctly?

The fraction \frac{44}{50} represents the 44 questions that Gabrielle got correct out of the 50 questions she answered altogether.

To find out what percent of questions Gabrielle answered correctly, we can turn \frac{44}{50} into a percent.

We can first reduce the fraction \frac{44}{50} by dividing both the numerator and denominator by the Greatest Common Factor of 44 and 50 using 2.

44 ÷ 2 = 22

50 ÷ 2 = 25

22 ÷ 25 = 0.88

0.88 × 100 = 88%

Therefore, Gabrielle answered 88% percent of the questions correct on her Spanish test.

mrs_skeptik [129]3 years ago
7 0
She answered 88% correct. 44 times 2 is 88.
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Answer:

So slope 1 would be positive

Slope 2 would be negative

Slope 3 would be zero

Step-by-step explanation:

If the slope is moving up from left to right, then it is positive

If the slope is moving down from left to right, then it is negative

If the slope is a vertical line and is not moving left/right, then it is undefined

If the slope is a horizontal line and is not moving up/down, then it is zero

So slope 1 would be positive because it is moving up from left to right.

Slope 2 would be negative because it is moving down from left to right.

Slope 3 would be zero because it is a horizontal line that is not moving up or down.

Hope this helped!

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3 years ago
What two numbers multiply to get 1440 but add to get 78
Maslowich
The answer is 68, Which should be correct

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2 years ago
The owner of a local golf course wants to estimate the difference between the scores of golfers on his golf course and the score
Olenka [21]

Answer:

(8) The correct option is (3).

(2) The correct option is (1).

Step-by-step explanation:

(8)

The hypothesis can be defined as:

<em>H₀</em>: There is no difference between the two population means, i.e. <em>μ₁ </em>= <em>μ₂</em>.

<em>Hₐ</em>: There is a difference between the two population means, i.e. <em>μ₁ </em>≠ <em>μ₂</em>.

The decision rule of the test based on confidence interval is:

If the (1 - <em>α</em>) % confidence interval consists the null hypothesis value then the null hypothesis is not rejected. and vice-versa.

The 90% confidence interval for the paired difference between means is, (-3.31, 14.74).

The interval consists the null value, 0.

Thus, the null hypothesis was failed to be rejected.

<u>Conclusion:</u>

No significant difference exists between the average difference in scores and the differences were calculated as 0.

Thus, the correct option is (3).

(2)

A (1 - <em>α</em>) % confidence interval implies that there is (1 - <em>α</em>) % chance of the population parameter to be contained in this interval.

Or if 100 such intervals are constructed then (1 - <em>α</em>) of these intervals will consist the true parameter value.

The 99% confidence interval for the difference between means is, (-0.124, 13.85).

This interval implies that the true mean difference between the two populations lies in this interval with probability 0.99.

<u>Conclusion:</u>

We are 99% confident that the difference between the average age of all men and all women who play golf at the course is between -0.124 and 13.85.

Thus, the correct option is (1).

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2 years ago
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