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malfutka [58]
3 years ago
8

WILL GIVE 30 points. The GRE is an entrance exam that many students are required to take in order to apply to graduate school. I

n 2014, the combined scores for
the Verbal and Quantitative sections were approximately normally distributed with a mean of 310 and a
standard deviat o of 12.
What is the probability that a randomly selected score is greater than 334? Write your answer as a decimal.
Mathematics
2 answers:
Afina-wow [57]3 years ago
8 0

Answer:

The answer is 0.0228. Have a good day!

xxMikexx [17]3 years ago
6 0

Answer:it’s 0.025

Step-by-step explanation:

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13. Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol (u, P, o) for the indica
liraira [26]

Answer:

Null Hypothesis, H_0 : P = 4.1%

Alternate Hypothesis, H_A : P > 4.1%

Step-by-step explanation:

We are given that a psychologist claims that more than 4.1% of the population suffers from professional problems due to extreme shyness.

<u><em>Let p = true percentage  of the population that suffers from extreme shyness.</em></u>

So, Null Hypothesis, H_0 : P = 4.1%

Alternate Hypothesis, H_A : P > 4.1%

Here, <em><u>null hypothesis states that</u></em> % of the population who suffers from professional problems due to extreme shyness is equal to 4.1%.

On the other hand, <u><em>alternate hypothesis states that</em></u> more than 4.1% of the population suffers from professional problems due to extreme shyness.

So, the above hypothesis would be appropriate for conducting the test.

8 0
3 years ago
Joanie watched 1 out of three of a movie in the morning
Archy [21]

Answer:

7/15

Step-by-step explanation:

Determine how much she has watched.

1/3 + 1/5 The common denominator of 3 and 5 is 15. Multiply each fraction by an amount that will make the denominator 15

1/3 = 1*5/(3*5) = 5 / 15

1/5 = 1*3 / (5*3) = 3/15

Now add the two fractions together.

5/15 + 3/15 = 8/15

What is left of the movie? The whole movie = 1 so that which is left is

1 - 8/15

15/15 - 8/15

7 / 15

She has just a bit under 1/2 to go.

8 0
3 years ago
Which like on the graph represents the equation y+4=-2x/3?
Amanda [17]

Answer:

1

Step-by-step explanation:

8 0
3 years ago
James has been assigned to provide candy for a class party he needs 5.3 pounds if candy cost $4.25 per pound at Harolds candy st
RoseWind [281]

Answer:

5.3 * 4.25 = 22.525

22.525 is about 22.5

so the answer is $22.50

3 0
2 years ago
Find the values ofx and y for the triange.<br> x<br> 60°<br> 30°<br> у
egoroff_w [7]

Answer:

x = 42, y = 36.37

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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