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2 years ago

I will give you brainliest to whoever helps me answer this. Please hurry

Mathematics

1 answer:

laila [671]2 years ago

6 0

Y= 13.18x + 36 Blank 1: 13.18 & Blank 2: 36

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A software company decided to conduct a survey on customer satisfaction. Out of 564 customers who participated in the online sur

nikklg [1K]

Answer:

$z=\frac{0.0904 -0.1}{\sqrt{\frac{0.1(1-0.1)}{564}}}=-0.760 \approx -0.8$

$p_v =2*P(z$

Step-by-step explanation:

Information given

n=564 represent the sample selected

X=51 represent the number of people who rated the overall services as poor

$\hat p=\frac{51}{564}=0.0904$ estimated proportion of people who rated the overall services as poor

$p_o=0.1$ is the value to compare

z would represent the statistic

Hypothsis to analyze

We want to analyze if the proportion of customers who would rate the overall car rental services as poor is 0.1, so then the system of hypothesis are:

Null hypothesis: $p=0.1$

Alternative hypothesis: $p \neq 0.1$

The statistic for a one z test for a proportion is given by:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

Replacing the info given we got:

$z=\frac{0.0904 -0.1}{\sqrt{\frac{0.1(1-0.1)}{564}}}=-0.760 \approx -0.8$

And the p value since we have a bilateral test is given b:

$p_v =2*P(z$

3 0

3 years ago

What is 10 as a percent?

Pavel [41]

Well it matters is the 10 out of 100 if so 10 as a perecent is 10%

7 0

3 years ago

Read 2 more answers

Item 3 is unpinned. Click to pin.

Ratling [72]

Answer:

84%

Step-by-step explanation:

i am so sorry if i am wrong. pls no hate tho

7 0

2 years ago

Read 2 more answers

Write the equation for the graph below.<br> PLEASE I NEED HELP !

mrs_skeptik [129]

Y= 1x+ 3
1x is the slope and 3 is the y intercept
I did rise over run to find the slope 3/3=1
Y is 3 because y intercept is when a line go through the y axis and it’s on 3
hope this helps!

5 0

3 years ago

Mrs. Ramiriz is making pies to sell at the local farmer’s market. It costs her $5 to make each pie, plus a one-time cost of $30

belka [17]

5p + 30 = 12p <== ur equation
5p - 12p = -30
-7p = -30
p = -30/-7
p = 4 2/7 pies to break even

4 0

3 years ago