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Taya2010 [7]
3 years ago
8

Need help plz Hope everyone is well

Mathematics
1 answer:
Bingel [31]3 years ago
8 0
From left to right:
(4 3/8), (6 2/9), (3/10), (5 1/15), (3 5/12), (1 7/16), (5 9/40), (2 7/22), (3/16), (3 1/9), (2 9/28), (5 1/8), (7 3/16), (5 3/20), (3 11/40), (3 3/14)
You might be interested in
You're conducting a significance test for H0 : p = .35, Ha : p < .35. In a sample of size 40, you identify a count of 11 succ
nordsb [41]

Answer: c. –1 and .1587

Step-by-step explanation:

As per given , we have

Null hypothesis : H_0 : p= 0.35

Alternative hypothesis :  H_1 : p< 0.35

Since Alternative hypothesis is left-tailed ,so the test must be a left tailed test .

Z -Test statistic for proportion = z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

, where p= population proportion

\hat{p} = sample proportions

n= Sample size.

Let x be the number of successes.

For n= 40 and x= 11

\hat{p}=\dfrac{x}{n}=\dfrac{11}{40}=0.275

Then ,  z=\dfrac{0.275-0.35}{\sqrt{\dfrac{0.35(1-0.35)}{40}}}

z=\dfrac{-0.075}{\sqrt{0.0056875}}

z=\dfrac{-0.075}{0.075415515645}

z=-0.99449031619\approx-1

By using z-table ,

P-value for left-tailed test = P(z<-1)= 1-P(z<1)    [∵ P(Z<-z)= 1-P(Z<z) ]

= 1-0.8413

=0.1587

Hence, the -score and P-value are  <u>–1 and 0.1587</u> .

So the correct option is c. –1 and .1587

8 0
3 years ago
Could someone pkease help. i am not sure if i have the correct answer, thanks
Mama L [17]
I believe you are correct keep it up
5 0
3 years ago
Show the work please help me
stepladder [879]
X=45 since 90-45=45

Hope this helps
8 0
2 years ago
Read 2 more answers
Two similiar rectangles have corresponding sides in the ratio 10:3. What is the ratio of their areas
lianna [129]

Answer:

Step-by-step explanation:

The ratio of its areas is equal to

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

In this problem the scale factor is equal to the ratio 10:3

Let

z-------> the scale factor

so

z2=(10/3)2=100/9

7 0
3 years ago
(13 less than a)<br> How would this be solved in algebraic expression
Delicious77 [7]

Answer:

<em>a </em>- 13

Step-by-step explanation:

a- 13 because you are taking 13 away from a

8 0
3 years ago
Read 2 more answers
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