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Delvig [45]
3 years ago
13

An NBA fan named Mark claims that there are more fouls called on his team 1 point

Mathematics
1 answer:
inn [45]3 years ago
7 0

Answer:

t=\frac{12.2-11.5}{\frac{1.6}{\sqrt{34}}}=2.551    

df = n-1=34-1=33

p_v =P(t_{(33)}>2.551)=0.008  

Since the p value is less than the significance level of 0.05 we have enough evidence to reject the null hypothesis in favor of the claim

And the best conclusion for this case would be:

b)The p-value is 0.008, indicating sufficient evidence for his claim.

Step-by-step explanation:

Information provided

\bar X=12.2 represent the sample mean fould against

s=1.6 represent the sample standard deviation

n=34 sample size  

represent the value that we want to test

\alpha=0.05 represent the significance level for the hypothesis test.  

t would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

System of hypothesis

We need to conduct a hypothesis in order to check if the true mean is higher than 11.5 fouls per game:  

Null hypothesis:\mu \leq 11.5  

Alternative hypothesis:\mu > 11.5  

The statistic is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

The statistic is given by:

t=\frac{12.2-11.5}{\frac{1.6}{\sqrt{34}}}=2.551    

P value

The degreed of freedom are given by:

df = n-1=34-1=33

Since is a one side test the p value would be:  

p_v =P(t_{(33)}>2.551)=0.008  

Since the p value is less than the significance level of 0.05 we have enough evidence to reject the null hypothesis in favor of the claim

And the best conclusion for this case would be:

b)The p-value is 0.008, indicating sufficient evidence for his claim.

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if the sales tax rate is 7.25% in california, then how much would you pay in los angeles for a pair of shoes that cost $39.00
Anna [14]
It would come out to be $41.8275, so if you round it would cost $41.83.
4 0
3 years ago
If the area of a rectangle in terms of x is x2 + 15x + 26 / 6x2 and its width is x2 - 3x - 10 / 30x3 Find the length of the rect
Veseljchak [2.6K]

Answer:

The length of the rectangle is;

5x(x+13)/(x-5)

Step-by-step explanation:

Mathematically, we know that the area of a rectangle is the product of the length and width of the triangle

To find the length of the rectangle, we will have to divide the area by the width

we have this as;

(x^2 + 15x + 26)/6x^2 divided by (x^2-3x-10)/30x^3

thus, we have ;

(x^2 + 15x + 26)/6x^2 * 30x^3/(x^2-3x-10)

= (x^2+15x+ 26)/(x^2-3x-10) * 5x

But;

(x^2 + 15x + 26) = (x+ 2)(x+ 13)

(x^2-3x-10) = (x+2)(x-5)

Substituting the linear products in place of the trinomials, we have;

(x+2)(x+13)/(x+2)(x-5) * 5x

= 5x(x+13)/(x-5)

4 0
3 years ago
Fast hurry skdifhg did did do fish is​
Amiraneli [1.4K]

Answer:

-\frac{7}{10}

Step-by-step explanation:

Given:

\frac{1}{2}- 1 \frac{1}{5}

Number line is from range -2 to 2 with all increment of ±\frac{2}{10} on both sides.

Step 1: First we will solve the equation we will get;

\frac{1}{2}- 1 \frac{1}{5}\\\\\frac{1}{2}- \frac{6}{5}

Step 2: Now we will try to make the denominator common so we will get;

\frac{1\times 5}{2\times 5}- \frac{6\times 2}{5\times 2}\\\\\frac{5}{10}- \frac{12}{10}

Step 3: Now from the number line when we subtract \frac{12}{10}

from \frac{5}{10} we get number of spaces left are - 7

Hence now it will become:

\frac{5}{10}- \frac{12}{10}\\\\\frac{5 -12}{10}\\\\-\frac{7}{10}

Hence the final Answer is -\frac{7}{10}

4 0
3 years ago
(NEED ASAP PLEASE ILL MAKE YOU BRAINLIEST ANSWER (don’t give me the 0.2 units cause this is not the right math problem for that)
inysia [295]
The first one would be (-5,5) and the second one is (5,5) or 1.
8 0
3 years ago
5x + 4x2 - 9x + 8x2
natima [27]

Answer:

12x^2-4x

Step-by-step explanation:

5x + 4x^2 - 9x + 8x^2

Combine like terms

4x^2+8x^2+5x-9x

12x^2-4x

4 0
2 years ago
Read 2 more answers
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