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ehidna [41]
3 years ago
6

The scores on a test given to all juniors in a school district are normally distributed with a mean of 72 and a standard deviati

on of 6. Find the probability that a randomly chosen junior has a score above 90. The probability of randomly choosing a junior whose score is above 90 is___%.
Mathematics
1 answer:
faust18 [17]3 years ago
8 0
30% is the correct  answer.
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N-24/8 = N/6 N equals to what?
Fed [463]

Answer:

We have 6( n - 24 ) = 8N;

Then 6n - 144 = 8N;

-144 = 8N - 6N;

-144 = 2N;

N = (-144)÷2;

N = - 72;

Step-by-step explanation:


6 0
2 years ago
When using rational expectations, forecast errors will, on average, be ________ and ________ be predicted ahead of time. A) zero
mafiozo [28]

Answer:

A) zero; cannot

Step-by-step explanation:

In line with the principle of rational expectations, expectation errors are unpredictable. The expectations of all available information will not differ from the optimal projections.The word optimal projection is inexorably intertwined with the best guess in rational expectations theory.

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3 years ago
There were 3995 more hits on the school's website in January than February. February had 9854 hits. How many hits did the school
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3 years ago
Amy is traveling across the USA by train over the summer. She is keeping track of all of the stops on her trip. She has just com
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4 0
2 years ago
Order 51.835, 51.836, 51.736, and 51.837 in decreasing order.
Tju [1.3M]

Answer:

<em><u>D.)</u></em>51.837, <em><u>B.)</u></em>51.836, <em><u>A.)</u></em>51.835, <em><u>C.)</u></em>51.736

Step-by-step explanation:

its decreasing in this order

3 0
3 years ago
Read 2 more answers
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