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Nonamiya [84]
3 years ago
8

State University has no honors English course but instead places all freshman scoring at least 60 on a proficiency exam (mean=50

, standard deviation=10) into an advanced composition course. If the scores are normally distributed and there are 2,500 entering freshman, how many will be put into the advanced course?
Mathematics
1 answer:
rusak2 [61]3 years ago
4 0

Answer:

that put into the advanced course is 396.75

Step-by-step explanation:

The computation of that put into the advanced course is shown below:

P(X>60)

= P((X - mean) ÷ s > (60 - 50) ÷ 10)

= P (Z > 1)

= 0.1587

It could be checked by the standard normal table

Now that put into the advance course is

= 2,500 × 0.1587

= 396.75

Hence, that put into the advanced course is 396.75

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Rewrite the fractions 3/4 and 5/16 as fractions with a least common denominator.
nata0808 [166]

Answer:

12/16 and 5/16

Step-by-step explanation:

We are given two fractions with denominator 4 and 16.

To find the least common denominator, of 4 and 16.

Factorise 4 and 16.

4 = 2x2  

16 = 2x2x2x2

i.e. 4 divides 16.

Hence  Least common denominator = bigger number = 16

Make the given fractions to equivalent fractions with common denominator 16.

3/4 = 4(3)/4(4) = 12/16 and

5/16 = 1(5)/16(1)= 5/16

Hence answer would be

12/16 and 5/16


6 0
3 years ago
Read 2 more answers
The graph below shows the solution to which system of inequalities?
Archy [21]

Answer:

C

Step-by-step explanation:

The horizontal line, y=2, is solid and shaded above, so it represents

y \geqslant 2

The slanted line, y=x is dashed and shaded below, so it represents y<x.

3 0
2 years ago
Can somone pls help me plssssss
jeka57 [31]

Answer:

2\frac{2}{5}

Step-by-step explanation:

12 divided by 5= 2.4

OR

2 2/5

Hope this helps! :)

4 0
3 years ago
Read 2 more answers
(07.05) Which of these is a simplified form of the equation 7x + 4 = 5 + 3x + 1x? (4 points) 3x = 9 3x = 1 11x = 9 11x = 1
slava [35]
Okay first you need to combine like terms together (3x and 1x)

7x + 4 = 5 + 4x

now you need x only on one side, you could subtract either 7x or 4x 

3x + 4 = 5

subtract 4 over

3x = 1 is the answer 



4 0
3 years ago
PLEASE HELP AND PLEASE DON'T GUESS!!!!!
Goshia [24]
The answer is D., a dummod deleted my answer that has alot of thanks and ratings.
4 0
3 years ago
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