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saw5 [17]
3 years ago
14

He is 187cm tall how many metres is this

Mathematics
1 answer:
k0ka [10]3 years ago
6 0
He is one meter and 87 centimeters tall. 
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7. License Plate Laws The Chapter Problem involved passenger cars in Connecticut and passenger cars in New York, but here we con
sergejj [24]

Yes it is true that commercial truck owners violate laws requiring front license plates at a higher rate than owners of passenger cars because null hypothesis is rejected.

Given among 2049 Connecticut passenger cars, 239 had only rear license plates. Among 334 Connecticut trucks, 45 had only rear license plates.

let p_{1} be the probability that commercial cars have rear license plates and p_{2} be the probability that connected trucks have rear license plates.

                         Cars                     Trucks                         Total

Total                  2049                    334                             2383

x                          239                      45                                284

p                        0.1166                   0.1347                          0.1191

α=0.05

Hypothesis will be  :

H_{0}:p_{1} =p_{2}

H_{1} :p_{1} < p_{2}

It is a left tailed test at 0.05 significance.

Standard errors of p=\sqrt{p(1-p)/n}

=\sqrt{(0.1191*0.8809)/2383}

=\sqrt{0.1049/2383}        

=0.0066

Test statistic Z=p difference/standard error

=(0.1166-0.1347)/0.0066

=-0.0181/0.0061

=-2.967

p value=0.001505<5%

Since p is less than 5% we reject null hypothesis.

We cannot calculate standard deviation so  we cannot calculate confidence interval.

Hence there is statistical evidence at 5% significance level to support that commercial truck owners violate laws requiring front license plates at a higher rate than owners of passenger cars.

Learn more about z test at brainly.com/question/14453510

#SPJ4

5 0
2 years ago
What is the first term of the quotation of the following division problem?
sveticcg [70]

Answer:

I believe it's D.

Step-by-step explanation:

x^2 times x

Hope This Helps!       Have A Nice Day!!

5 0
3 years ago
How many solutions does 5(x - 3) + 6 = 5x - 10 have?<br><br>(Will mark brainlest)
FrozenT [24]

Answer:

None (x=∅)

Step-by-step explanation:

5(x - 3) + 6 = 5x - 10

5x-15+6 = 5x-10

-15+6+10=5x-5x

1 = 0

x = ∅

3 0
3 years ago
Read 2 more answers
Which inequality represents the problem?
kogti [31]
I believe A is correct.
8 0
3 years ago
Only answer 16, and 17 and show how you set up the problems
Setler79 [48]

Answer:

16a) $1,320 (<em>Set-up below)</em>

16b) (<em>See explanation below)</em>

17a) $21.90 <em>(Set-up below)</em>

17b) $708.10 (<em>See explanation below)</em>

Step-by-step explanation:

16a)

33,000 · 0.04 = 1,320

<u>Set-up:</u>

Whenever you are solving equations with percentages, it is easier to change them into decimal form. 4% is equal to 0.04 so we can multiply 33,000 by 0.04 to find the commision price.

16b)

Since a commision is taken out of the total of a sale, we know that if you doubled to sale, the commission would also double unless the percentage the salesperson is getting goes down or up. If the percentage does not change, they would still get double because they would be getting a larger amount because the total is larger.

-------------

17)

a)

110 · 0.03 = 3.3

275 · 0.03 = 8.25

200 · 0.03 = 6

145 · 0.03 = 4.35

3.3 + 8.25 + 6 + 4.35 = $21.90

<u>Set-up:</u>

Whenever you are solving equations with percentages, it is easier to change them into decimal form. 3% is equal to 0.03 so we can multiply each cost by 0.03 to find the commision price per item. After, we add up each separate commision price to get the total commision.

b)

110 + 275 + 200 + 145 = 730

730 - 21.9 = $708.10

<u>Quick Explanation:</u>

The store would only earn $708.10 because of the commision they are paying Heidi is equal to $21.90. The total sale cost earned is $730.00 and the commision comes out of that cost, the store only gets $708.10

Note:

If you have any questions or concerns, feel free to reach out to me in the comments!

4 0
2 years ago
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