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pickupchik [31]
2 years ago
6

Order from greatest to least 10.9, 10 2/5, 10 1/4

Mathematics
1 answer:
Ede4ka [16]2 years ago
3 0

Answer:10.9,,,,,10 2/5,,,,,10 1/4

Step-by-step explanation:

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Test the given claim. Identify the null​ hypothesis, alternative​ hypothesis, test​ statistic, P-value, and then state the concl
Firlakuza [10]

Answer:

Being π1: proportion of passenger cars with only rear plates, and π2: proportion of commercial trucks with only rear plates, the null and alternative hypothesis are:

H_0: \pi_1-\pi_2=0\\\\H_a:\pi_1-\pi_2

The test statistic is z=-1.895.

The P-value is 0.029.

The P-value (0.03) is bigger than the significance level (0.01), so the effect is not significant. The null hypothesis failed to be rejected.

There is no enough evidence to claim that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars.

Step-by-step explanation:

The claim is that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars. We have to test the hypotheses on the difference between proportions.

Being π1: proportion of passenger cars with only rear plates, and π2: proportion of commercial trucks with only rear plates, the null and alternative hypothesis are:

H_0: \pi_1-\pi_2=0\\\\H_a:\pi_1-\pi_2

The significance level is 0.01.

The passenger cars, with a sample size n1=2135, have a proportion of:

p_1=x_1/N_1=244/2135=0.114

The commercial trucks, with a sample size n2=339, have a proportion of:

p_2=x_2/N_2=51/339=0.150

The weighted proportion, needed to estimate the standard error, is calculated as:

p=\dfrac{x_1+x_2}{N_1+N_2}=\dfrac{244+51}{2135+339}=\dfrac{295}{2474}=0.119

The standard error for the difference between proportions can be calculated as:

\sigma=\sqrt{\dfrac{p(1-p)}{N_1}+\dfrac{p(1-p)}{N_2}}=\sqrt{\dfrac{0.119*0.881}{2135}+\dfrac{0.119*0.881}{339}}\\\\\\\sigma=\sqrt{ 0.00036 }= 0.019

Then, the z-statistic is:

z=\dfrac{p_1-p_2}{\sigma}=\dfrac{0.114-0.150}{0.019}=\dfrac{-0.036}{0.019}=  -1.895

The P-value for this left tailed test is:

P-value=P(z

The P-value (0.03) is bigger than the significance level (0.01), so the effect is not significant. The null hypothesis failed to be rejected.

There is no enough evidence to claim that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars.

6 0
3 years ago
The state of Kansas has a sales tax of 5.3%, and the maximum rate a consumer can pay for local sales tax is 8.65%. What is the r
zvonat [6]
On the face of it, [5.3%, 8.65%].

_____
If you mean that up to 8.65% may be added to the base 5.3% rate, then the total can be in the range [5.3%, 13.95%].
4 0
3 years ago
Read 2 more answers
Find the value of x to the nearest tenth
kenny6666 [7]

Step-by-step explanation:

I think this might help

5 0
2 years ago
The perimeter of the square is 1 foot how many inches long is each sad
SpyIntel [72]
Im gonna asume you mean side, so 1 foot = 12 inches (: 
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3 years ago
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A gasoline pump delivers 4 2/5 gallons of gas per minute. How many minutes will it take to fill a gas tank that holds 17 1/4 gal
Liono4ka [1.6K]
Well if it pumps 4 2/5 per minute that is equal to 4 4/10 in a minute or 4.4 because you multiply the top and bottom of the fraction by two. it’s still the same fraction but it is easy to convert to a decimal now. you could use this fraction but it’s much easier to use decimals. Because the first number is a decimal you should make the second one a decimal too. To do this you need to know that 1/4 of 100 is 25. so now we have these numbers and all you do now is divide 17.25 by 4.4 which could be rounded to 4 because it’s a long decimal
8 0
3 years ago
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