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Len [333]
3 years ago
12

I’ll give u a kiss if u help me with this ASAP PLZZZZ no hômò thô

Mathematics
1 answer:
melisa1 [442]3 years ago
6 0

Answer:

x-3y <u>></u> 5

step-by-step explanation:

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PLZ HELP ASAPPPP IMAGE ABOVE^ thxx!!
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16 units2

Step-by-step explanation:

1/2 *b*h

1/2*4*8

16 units(sq.)

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A car service chain hopes to increase productivity and has set a goal of an average of at least 25 customers served per day acro
Korolek [52]

Answer:

Step-by-step explanation:

Given that:

population mean = 25

sample size = 50

sample mean = 24.02

standard deviation = 4.75

The null and alternative hypothesis can be computed as follows:

Null hypothesis:

\mathbf{H_o : \mu \geq 25}

Alternative hypothesis:

\mathbf{H_1 : \mu < 25}

b. Yes, the necessary assumptions to perform the inference are satisfied because the sample size is large and as a result, the data approximately follows a normal distribution.

c. To determine the P-value, we need to Find the t-test statistics which can be expressed by the formula:

t = \dfrac{\overline x - \mu}{\dfrac{\sigma}{\sqrt{n}}}

t = \dfrac{24.02 -25}{\dfrac{4.75}{\sqrt{50}}}

t = \dfrac{-0.98}{\dfrac{4.75}{7.07}}

t =  - 1.458

The degree of freedom df = n- 1 = 50 - 1 = 49

The p -value =  P(T < -1.458)

p -value = 0.0756

d. The p-value is the probability of finding the observed value when null hypothesis is true.

e.

Decision rule: To reject the null hypothesis if the level of significance at 0.05 is greater than the p-value.

Conclusion: We fail to reject the null hypothesis because the p-value is greater than the level of significance, hence, there is no sufficient evidence to conclude that the company has failed to meet its goal.

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3 years ago
If a cone has a height of 16 feet and a volume
IgorLugansk [536]
^^^^^^^^^^^^^^^^^^^^^^^
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laila [671]
1:2 = 3:6. 6 is the answer.
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3 years ago
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