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STatiana [176]
4 years ago
15

A standardized mathematics test given to 14,000 students had the scores normally distributed. The mean was 850 and the standard

deviation was 75. A student scoring below 775 points was deficient in mathematics. About how many students were rated deficient?
Mathematics
1 answer:
Aleks [24]4 years ago
8 0
If it was given 14,000 then it wasn’t the right
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Need Help.
stepladder [879]

Answer:

Step-by-step explanation:

option 1: x = 41

Reason:

<1 =139   { corresponding angles }

<2 = 180 - 139 = 41  ( <1 and <2 are linear pair}

x and <2 are corresponding angles.Hence x = 41

option 3 - <2 =<3 by vertical angles congruence

option 5 - <4 = <5by the alternate interior angles theorem

6 0
3 years ago
-5(-4m - 6)
Natalka [10]

Answer:

1 is the correct answer

Step-by-step explanation:

4 0
3 years ago
8 5/6 rounded to the nearest whole number
german

Answer: 9.

Step-by-step explanation:

8 5/6 is a mixed number with a whole number and a fraction. We want to round to the nearest whole number without the fraction.

First, we convert the mixed fraction to an improper fraction or fraction like this:

((8 x 6)+5)/6 = 53/6

Then, we divide the numerator by the denominator from the previous step:

53/6 = 8.83

Now we have one decimal number. Round using the following rules:

If the number to the right of the decimal point is .5 or higher, then add 1 to the left of the decimal point.

If the number to the right of the decimal point is less than .5, then leave the number to the left of the decimal point as is.

.83 is .5 or higher. Thus, we add 1 to the left of the decimal point. 8 5/6 rounded to the nearest whole number is therefore the answer will be 9.

3 0
3 years ago
Read 2 more answers
Which number is a factor of 15 but not a multiple of 3
tester [92]
Is 5 because the factor of 15 can not be other number except 5


4 0
4 years ago
Read 2 more answers
456 divided by 8 <br> WHOEVER ANSWER FIRST WILL GET 72 POINTS
OverLord2011 [107]

Answer:

57

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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