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murzikaleks [220]
3 years ago
11

Plz help This is a very important thing I have to do and it depends 50% of my grade so please help...!

Mathematics
1 answer:
ivanzaharov [21]3 years ago
3 0

Answer:

A.B

Step-by-step explanation:

<u><em>5 - sqrt1.35 =  ~3.8</em></u>

A) 3 / sqrt2 = ~2.1

B) 5 / sqrt3 = ~2.9

C) 3 + 2sqrt2 = ~5.8

D) 4 + 8/sqrt50 = ~5.1

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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
Which organisms is an example of a producer?
mina [271]

Answer: Leaves

Step-by-step explanation:

8 0
3 years ago
Would appreciate the help
Dmitrij [34]

Answer:

distance is 6.4 units

Step-by-step explanation:

use a^2+b^2=c^2 to find the hypotenuse which is the distancr

you can count the sides base is 4 and height is 5 Square the numbers

16+25= c^2

41=c^2

find the square root of 41 to get rid of the squared

which is 6.40 so 6.40= c and c is the distance

4 0
3 years ago
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