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ivolga24 [154]
3 years ago
11

e hypothesis are as follows:H0:m0:5vs.H1:m>0:5. Suppose that the null hypothesis is not rejected and that thereal truth is th

at the shampoo actually does make hair grow faster. What type of error, if any,occurred
Mathematics
1 answer:
Pani-rosa [81]3 years ago
5 0

Answer:

The null hypothesis is not rejected  and hence Type II error occurred

Step-by-step explanation:

Here

The null hypothesis is as follows

H0 = Mean = 0.5

The alternate hypothesis is as follows -

H1 = Mean >0.5

For Type I error = The Null hypothesis is rejected if null hypothesis is actually true

Type II error =The Null hypothesis is not rejected when the null hypothesis is not true but is false.  

Here, the null hypothesis is not rejected  and hence Type II error occurred

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Find the value of x. NO LINKS WILL REPORT
swat32
11.9 about because I did sin(32°)over y = sin90° over 14 and I got around 7.4 and then I did the Pythagorean theorem so I got around 11.9
5 0
3 years ago
A researcher wishes to conduct a study of the color preferences of new car buyers. suppose that 50% of this population prefers t
djyliett [7]

To solve this question, use the Binomial probability formula.

The formula is given by

^nC_xp^x(1-p)^{n-x}

Where:

n = the number of trials

x = the sample we aim to try

p = the probability of success

In this question:

n = 16

x = 9

p = 0.5

Substituting in the equation:

\begin{gathered} ^nC_xp^x(1-p)^{n-x} \\ ^{16}C_9*0.5^9(1-0.5)^{16-9} \\  \end{gathered}

And the combination formula:

^nC_x=\frac{n!}{(n-x)!*x!}

Then:

\begin{gathered} \frac{16!}{(16-9)!*9!}*0.5^9(1-0.5)^{16-9} \\ \frac{16!}{7!*9!}*0.5^9*0.5^7 \\ 11440*0.00195*0.0078 \\ =0.1746 \end{gathered}

Answer: The probability is 0.1746.

6 0
1 year ago
!15 points!
lina2011 [118]

Sum of complement angles = 90

<L + <M = 90

3x - 15 + x = 90

4x - 15 = 90

4x = 105

x = 26.25


<L = 3(18.5) - 15

<L = 63.75


Answer

<L = 63.75°

5 0
4 years ago
Convert to kg <br>how much more is 8100g then2.3kg ( answer in kg) ​
wariber [46]

Answer:

8100g(i.e 8.1kg) is 5.8kg more than 2.3kg

Step-by-step explanation:

Let us convert 8100g to kg.

1000g = 1Kg

8100g = 8100/1000 = 8.1Kg

Now, to know how much is 8100g(i.e 8.1kg) than 2.3kg, we'll find the difference between them as follows

8.1 — 2.3 = 5.8

Therefore, 8100g(i.e 8.1kg) is 5.8kg more than 2.3kg

4 0
3 years ago
What is the length of the side of a right triangle that has a hypotenuse that is 15 mm and a side that is 9 mm?
ycow [4]
A. 12 mm

The Pythagorean Theorem states that a^2 + b^2 = c^2 with a and b being lengths of legs and c being the length of a hypotenuse. So we can use our givens to solve for the remaining leg. 

9^2 + b^2 = 15^2
81 + b^2 = 225
b^2 = 144
b = 12
7 0
3 years ago
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