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Rom4ik [11]
3 years ago
10

A newsletter publisher believes that above 41A% of their readers own a personal computer. Is there sufficient evidence at the 0.

100.10 level to substantiate the publisher's claim?
Mathematics
1 answer:
klemol [59]3 years ago
6 0

Complete Question

A newsletter publisher believes that above 41% of their readers own a personal computer. Is there sufficient evidence at the 0.10 level to substantiate the publisher's claim?

State the null and alternative hypotheses for the above scenario.

Answer:

The null hypothesis is  H_o  : p \le   0.411

The  alternative hypothesis  is  H_a : \mu >  0.41

Step-by-step explanation:

From the question we are told that

   The  proportion is  p  =  0.41

Generally the null hypothesis is  H_o  : p \le   0.411

The  above condition represents the  null hypothesis because it contains and equality in its condition

  The  alternative hypothesis  is  H_a : \mu >  0.41

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Michael’s haircut was 14.00 he gave a tip of 3.50 what percentage did Michael leave as a tip
Maurinko [17]

Answer:

D. 25%

Step-by-step explanation:

There are two ways that I do this. Both of them are probably not what your teacher tells you, but hey, I got the right answer.

The first method is to go through the answers and do 14 x .10, 14 x .20, and so on until you get 3.50.

The second method is to do 14/3.5, which equals 4. This means 14 can be broken up into 3.50 four times. So, 3.50 is 1/4 of 14. What is 1/4 of 100%? 25%.

3 0
3 years ago
Please help on 7 to be marked the brainliest
sweet [91]

Answer:

  D)  3.57%

Step-by-step explanation:

The percentage change is given by ...

  percent change = ((new value) -(old value))/(old value) × 100%

  = (3.19 -3.08)/3.08 × 100% = 0.11/3.08 × 100% = (11/3.08)% ≈ 3.57%

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When dealing with percentages, you need to be clear about what number represents 100%, the reference value against which errors or changes are measured. Here, it is the π of the mug, 3.08.

7 0
3 years ago
I NEED HELP PRONTO PLEASE
Ad libitum [116K]
Use photo math or socratic
5 0
3 years ago
Solve the following proportion Start Fraction x over 2 End Fraction equals Start Fraction 8 over 9 End Fraction (1 point) 144 0.
daser333 [38]

Answer:

1.78

Step-by-step explanation:

\frac{x}{2} = \frac{8}{9}

To solve for x  we need to cross multiply it

We have = sign inbetween the fractions so we cross multiply it

9*x = 2* 8

9x = 16

Now we divide by 9 on both sides

x= \frac{16}{9}

so x= 1.7777777778

When we round to two decimal places then

x= 1.78


3 0
4 years ago
This number is equivalent to seventeen and fifty thousandths
Novay_Z [31]
Seventeen and fifty thousandths in stander form is this:
<em><u>17.05</u></em>
5 0
3 years ago
Read 2 more answers
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