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Charra [1.4K]
3 years ago
8

How do you model whole number divided by mixed number?

Mathematics
2 answers:
Serggg [28]3 years ago
4 0
Make the whole number a fraction by putting a 1 in the denominator of the whole number.
for the mixed number, multiple the number by the denominator of the fraction it is with, then add that number to the numerator of the fraction.
then multiply the whole number by the reciprocal of the fraction.

example: 2 divided by 5 1/3

2/1 divided by (5•3+1=16/3)
2/1 multiplied by 3/16
2•3=6
1•16=16
6/16 simplified to 3/8
so 3/8 would be your answer.
Kamila [148]3 years ago
3 0
Example: 4 divided by 6 3/7
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SCORPION-xisa [38]

Using the z-distribution, it is found that:

  • The 95% confidence interval is of -1.38 to 1.38.
  • The value of the sample mean difference is of 1.74, which falls outside the 95% confidence interval.

<h3>What is the z-distribution confidence interval?</h3>

The confidence interval is:

\overline{x} \pm zs

In which:

  • \overline{x} is the difference between the population means.
  • s is the standard error.

In this problem, we have a 95% confidence level, hence\alpha = 0.95, z is the value of Z that has a p-value of \frac{1+0.95}{2} = 0.975, so the critical value is z = 1.96.

The estimate and the standard error are given by:

\overline{x} = 0, s = 0.69

Hence the bounds of the interval are given by:

\overline{x} - zs = 0 - 1.96(0.69) = -1.38

\overline{x} + zs = 0 + 1.96(0.69) = 1.38

1.74 is outside the interval, hence:

  • The 95% confidence interval is of -1.38 to 1.38.
  • The value of the sample mean difference is of 1.74, which falls outside the 95% confidence interval.

More can be learned about the z-distribution at brainly.com/question/25890103

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6 0
2 years ago
You have a 1 in 4 chance of winning a game. How would you calculate the probability that you will win 3 times in a row?
Ierofanga [76]

Answer:

<u>The probability of winning three games in a row is 1/64 or 1.6%</u>

Step-by-step explanation:

Probability of winning a game = 1/4

Probability of winning two games in a row = 1/4 * 1/4 = 1/16

Probability of winning three games in a row = 1/4 * 1/4 * 1/4 = 1/64

Probability of winning three games in a row = (1/4)³ = 1/64

1/64 = 0.015625

1/64 = 1.6% (rounding to the next tenth)

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For question 1:

Since each person is going to eat 1/4 of pizza and there are two of them, there are going to be 8 slices. There are 5 people eating, that's 5 slices gone, leaving 3.

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three people order the same meal. Now, if I'm correct, the meal total is AFTER the coupons were used. so that would bring total cost up to $30.75.

Divide that by 3 for all three friends:

30.75/3 = <u>D.) $10.25</u>

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