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balandron [24]
3 years ago
13

Which description can be written as the expression StartFraction 8 Over 21 n EndFraction?

Mathematics
1 answer:
frutty [35]3 years ago
5 0

Answer: It is the quotient of 21 times and number and 8.

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Women athletes at the university of colorado, boulder, have a long-term graduation rate of 67% (source: the chronicle of higher
Elodia [21]

 

The solution would be like this for this specific problem:

H0: p = p0, or <span>
H0: p ≥ p0, or 
H0: p ≤ p0 </span>

 

find the test statistic z = (pHat - p0) / sqrt(p0 * (1-p0) / n) 

 

where pHat = X / n 

 

The p-value of the test is the area under the normal curve that is in agreement with the alternate hypothesis. <span>
H1: p ≠ p0; p-value is the area in the tails greater than |z| 
H1: p < p0; p-value is the area to the left of z 
H1: p > p0; p-value is the area to the right of z </span>

 

Hypothesis equation:

 

H0: p ≥ 0.67 vs. H1: p < 0.67 

 

The test statistic is: <span>
z = ( 0.5526316 - 0.67 ) / ( √ ( 0.67 * (1 - 0.67 ) / 38 ) 
z = -1.538681 </span>

 

The p-value = P( Z < z ) <span>
= P( Z < -1.538681 ) 
<span>= 0.0619</span></span>

6 0
3 years ago
Help me asap
sasho [114]

Answer:

6p =120

Step-by-step explanation:

well the p's are very close together in a sense that we are going to multiply instead of add because they the p's would have space in between

6 * 20 = 120

so p= 20

6 0
3 years ago
Read 2 more answers
Jodi is cutting out pieces of paper that measure 8 1/2 inches by 11 inches from a larger sheet of paper that has an area of 1000
jolli1 [7]
8 1/2 or 8.5 x11 = 93.5 square inches thus,
1000 square inches divided by 93.5 square inches
1000/93.5 ~10.695
that mean that Jodi can cut out about 10 pieces of paper measuring 8 1/2 x 11 inches.
4 0
3 years ago
Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)
soldier1979 [14.2K]
A= 3
b= 4

=3.14(a^2 + ab)
substitute the given a & b values in expression

=3.14((3)^2 + (3*4))
multiply inside parentheses

=3.14(9 + 12)
add inside parentheses

=3.14(21)
multiply

=65.94


ANSWER: 65.94

Hope this helps! :)
8 0
3 years ago
Mr. Marcus is splitting a huge new pack of colored pencils equally among his 25 students. After splitting the pencils he has 4 l
mamaluj [8]

Answer:

Each student got 17 pencils

Step-by-step explanation:

(429-5)/25=x

3 0
3 years ago
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