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saveliy_v [14]
3 years ago
7

On each of five slips of paper, you wrote the words eggs, waffles, pancakes, fruit, and muffin. Every day, you choose one slip f

rom a jar to help you decide what to eat for breakfast. You always put the chosen slip back into the jar. What is the probability of choosing eggs?
Mathematics
2 answers:
AnnyKZ [126]3 years ago
7 0

Answer:

20%

Step-by-step explanation:

There are 5 choices and eggs are one of them. Which is 1/5 and equal to 20%

Luda [366]3 years ago
6 0
The answer is 1/5, or 0.2, because if you're always putting the slip back in, then there will always by 5 slips to choose from, therefore making the probability 1 out of 5. I hope this helps!
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What is the parallel line and slope of a perpendicular like for 3x+5y=4
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Answer:

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Step-by-step explanation:

3x + 5y = 4

5y = -3x + 4

y = -3/5x + 4/5

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rewona [7]

Answer:

slope of (-4,-3)- 0

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Step-by-step explanation:

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2 years ago
What is the probability a sample of 90 test takers will provide a sample mean test score within 10 points of the population mean
Elena-2011 [213]

Answer:

0.658 is the probability that a sample 90 test takers will provide a sample mean test score within 10 points of the population mean of 502.

Step-by-step explanation:

The following information is missing:

The standard deviation of population is 100.

We are given the following information in the question:

Population mean, μ = 502

Standard Deviation, σ = 100

Sample size, n  = 90

Standard error =

\dfrac{\sigma}{\sqrt{n}} = \dfrac{100}{\sqrt{90}} =  10.54

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(test score within 10 points)

P(492 \leq x \leq 512) \\\\= P(\displaystyle\frac{492 - 502}{10.54} \leq z \leq \displaystyle\frac{512-502}{10.54}) \\\\= P(-0.9487 \leq z \leq 0.9487)\\= P(z \leq 0.9487) - P(z < -0.9487)\\= 0.829 -0.171 = 0.658 = 65.8\%

P(492 \leq x \leq 512) = 65.8\%

0.658 is the probability that a sample 90 test takers will provide a sample mean test score within 10 points of the population mean of 502.

7 0
3 years ago
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Natalka [10]

Answer:

No slope

Step-by-step explanation:

The points given are on the vertical line x = 8

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4 0
1 year ago
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