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timofeeve [1]
3 years ago
10

Worksheet #26

Mathematics
1 answer:
Katena32 [7]3 years ago
8 0
40+24=64
64/2=32
The greatest number of marbles in each bag is 32
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Determine whether the number is rational or irrational: -21*
timofeeve [1]

Answer:

Rational

Step-by-step explanation:

Pi is a rational number

6 0
2 years ago
Par for a 9-hole golf course is 36. Jim was 3 under par for the first 5 holes. 4 over par for the next 2 holes, and 2 under par
Neporo4naja [7]

Total the amounts he was over and under:

-3 + 4 -2 = -1

Now add that to the total par:

36 - 1 = 35

His score was a 35

4 0
3 years ago
If the Federal Reserve sells $80,000 in Treasury bonds to a bank at 4% interest, what is the immediate effect on the money suppl
ololo11 [35]

Answer:

It is decreased by $80,000

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Game consoles: A poll surveyed 341 video gamers, and 89 of them said that they prefer playing games on a console, rather than a
Orlov [11]

Answer:

Step-by-step explanation:

Hello!

The objective is to test if the population proportion of gamers that prefer consoles is less than 28% as the manufacturer claims.

Of 341 surveyed players, 89 said that they prefer using a console.

The sample resulting sample proportion is p'= 89/341= 0.26

If the company claims is true then p<0.28, this will be the alternative hypothesis of the test.

H₀: p ≥ 0.28

H₁: p < 0.28

α: 0.05

To study the population proportion you have to use the approximation of the standard normal Z= \frac{p'-p}{\sqrt{\frac{p(1-p)}{n} } }≈N(0;1)

Z_{H_0}= \frac{0.26-0.28}{\sqrt{\frac{0.28*0.72}{341} } }= -0.82

This test is one-tailed left, i.e. that you'll reject the null hypothesis to small values of Z, and so is the p-value, you can obtain it looking under the standard normal distribution for the probability of obtaining at most -0.82:

P(Z≤-0.82)= 0.206

Using the p-value approach:

If p-value ≤ α, reject the null hypothesis

If p-value > α, don't reject the null hypothesis

The decision is to not reject the null hypothesis.

Then at a level of 5%, you can conclude that the population proportion of gamers that prefer playing on consoles is at least 28%.

I hope this helps!

4 0
3 years ago
PLEASE SOLVE THIS EQUATION
Masteriza [31]
The measure of angle 6 is 84 :)
3 0
3 years ago
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