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mina [271]
3 years ago
13

48% of the children in a summer camp are boys. If there are 1536 boys, how many children are there in the

Mathematics
1 answer:
nadya68 [22]3 years ago
6 0

Answer:

kkk

Step-by-step explanation:

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Suppose you carry out a significance test of h0: μ = 8 versus ha: μ > 8 based on sample size n = 25 and obtain t = 2. 15. Fin
OLEGan [10]

Using a t-distribution calculator and finding the p-value, the correct option regarding the conclusion is given by:

a) the p-value is 0.02. We reject h0 at the 5% significance level because the p-value 0.02 is less than 0.05.

<h3>What is the relation between the p-value and the conclusion?</h3>

It also involves the significance level, as follows.

  • If the p-value is less than the significance level, we reject the null hypothesis h_0.
  • If it is more, we do not reject.

In this problem, a t-distribution calculator for a right-tailed  with <em>t = 2.15 and 25 - 1 = 24 df</em> is used to find a p-value of 0.02.

It is less than 0.05, hence option a is correct.

More can be learned about p-values at brainly.com/question/26454209

5 0
2 years ago
21.60 divided by 1.35 is what?
klasskru [66]

Answer:

16

Step-by-step explanation:

21.60 divided by 1.35=16

8 0
3 years ago
Read 2 more answers
Consider a manufacturing process called as turning (a type of machining process) that is used to manufacture cylindrical metal s
Sav [38]

Answer: 86.64%

Step-by-step explanation:

Let x be a random variable that represents the diameter of metal samples.

Given : Population mean : \mu=10

Standard deviation: s=0.50

Specified tolerance on the diameter is 0.75 mm.

i.e. range of diameter = 10-0.75< x <10+0.75 = 9.25< x< 10.75

Formula to find the z-score corresponds to x: z=\dfrac{x-\mu}{s}

At x= 0.75,  z=\dfrac{9.25-10}{0.50}=-1.5

z=\dfrac{9.25-10}{0.50}=1.5

Using standard normal table for z-value,

P-value : p(-1.5

∴ Percentage of samples manufactured using this process satisfy the tolerance specification = 86.64%

6 0
3 years ago
Please help me with math work pol Mrs
storchak [24]
Try to divide 62.01÷ 9 and then do it with the other one

6 0
3 years ago
1) The data in the table below represents the pressure of the gas as the temperature changes. Plot a graph of the data, using th
scoundrel [369]
<span>The graph of temperature versus pressure is a straigh line rising to the right. It Using the value above, the equation is P = 2.5522T + 699. The temperature is directly proportional to pressure. The pressure of the gas 0C using the equation,

</span>P = 2.5522T + 699
P = 2.5522(0) + 699
P = 699
4 0
3 years ago
Read 2 more answers
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