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kotegsom [21]
3 years ago
8

A number c increased by 17

Mathematics
2 answers:
Svetlanka [38]3 years ago
8 0

c increased by 17

Increased = +

c + 17 is the answer

UNO [17]3 years ago
3 0

Answer:

Error question or wrong

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Shtirlitz [24]
Shifted up 8 and right 7

answer
B. second option
7 0
3 years ago
Sketch the graphs - 2y – 3=x​
Dominik [7]

Answer:

this should be correct try mathaway but instead of away make it way. it won't let me say the actual name

3 0
3 years ago
A professor wishes to discover if seniors skip more classes than freshmen. Suppose he knows that freshmen skip 2% of their class
KIM [24]

Answer:

We conclude that seniors skip more than 2% of their classes at 0.01 level of significance.

Step-by-step explanation:

We are given that a professor wishes to discover if seniors skip more classes than freshmen. Suppose he knows that freshmen skip 2% of their classes.

He randomly samples a group of seniors and out of 2521 classes, the group skipped 77.

<u><em /></u>

<u><em>Let p = percentage of seniors who skip their classes.</em></u>

So, Null Hypothesis, H_0 : p \leq 2%   {means that seniors skip less than or equal to 2% of their classes}

Alternate Hypothesis, H_A : p > 2%   {means that seniors skip more than 2% of their classes}

The test statistics that will be used here is <u>One-sample z proportion</u> <u>statistics</u>;

                                   T.S.  = \frac{\hat p-p}{{\sqrt{\frac{\hat p(1-\hat p)}{n} } } } }  ~ N(0,1)

where, \hat p = sample proportion of seniors who skipped their classes = \frac{77}{2521}

           n = sample of classes = 2521

So, <u><em>test statistics</em></u>  =  \frac{\frac{77}{2521} -0.02}{{\sqrt{\frac{\frac{77}{2521}(1-\frac{77}{2521})}{2521} } } } }

                               =  3.08

The value of the test statistics is 3.08.

Now at 0.01 significance level, <u>the z table gives critical value of 2.3263 for right-tailed test</u>. Since our test statistics is more than the critical value of z as 2.3263 < 3.08, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which <u>we reject our null hypothesis</u>.

Therefore, we conclude that seniors skip more than 2% of their classes.

6 0
3 years ago
Can you help me do this is hard but do not forget the 4
Mrac [35]
100+(34-(4+2)*3)/4

=100+(34-6*3)/4

=100+(34-18)/4

=100+16/4

=116/4

=29

29 is the answer
7 0
3 years ago
Read 2 more answers
What is the exact volume of the cone?<br><br> H = 6 cm<br> R = 9 cm
faltersainse [42]

Answer:

508.68 or 508.7

Step-by-step explanation:

V=1/3(3.14)(9)^2(6)

(3.14)(81) x 6

(3.14)(486)

1/3(1526)

(divide by 3)= 508.68

6 0
3 years ago
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