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Orlov [11]
3 years ago
9

The scores on the verbal section of the Graduate Records Examination (GRE) are approximately normally distributed with a mean of

150 and a standard deviation of 8.5. What is the probability that a randomly selected score on the verbal section is higher than 165?
Mathematics
1 answer:
Mashcka [7]3 years ago
5 0

Answer:

0.039

Step-by-step explanation:

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What the length of a diagonal of a square with perimeter of 16
Vladimir79 [104]
A- the length of the side of a square
P = 16

P = 4a → 4a = 16  |:4 → a = 4

The diagonal of the square: d = a√2

therefore d = 4√2


4 0
3 years ago
How many different twotwo​-letter passwords can be formed from the letters
Anna [14]

Answer:

70

Step-by-step explanation:

GIVEN: two two​-letter passwords can be formed from the letters  A, B, C, D, E, F, G and H.

TO FIND: How many different two two​-letter passwords can be formed if no repetition of letters is​ allowed.

SOLUTION:

Total number of different letters =8

for two two​-letter passwords 4 different are required.

Number of ways of selecting 4 different letters from 8 letters=^8C_4

                                                                                                   =\frac{8!}{4!4!}

                                                                                                  =70

Hence there are 70 different two-letter passwords can be formed using 8 letters.

5 0
3 years ago
Use your knowledge of functions to complete the table below. Identify whether or not each representation is a function and be su
Darya [45]

Answer:

YesUs

Step-by-step explanation:

the vertical LIne test. The lines intercept, so it is not a function.

6 0
2 years ago
Help me it’s my exam test
lana66690 [7]

Answer:

Im sorry but don't cheat.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
0.15, 0.17, 0.19.<br><br> what is going up by ?
Tpy6a [65]

Answer:

It goes up by 2 each time

Step-by-step explanation:

3 0
3 years ago
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