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Neporo4naja [7]

2 years ago

7

I am unsure of how to go about B through D. I attempted the p(x) q(x) method but it didn't work out. Any pointers on how to solv

e this problem B-D?

1 answer:

zzz [600]2 years ago

3 0

Answer:

i dont want to get you incorrect but i think it's a

Step-by-step explanation:

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Fiona recorded the mean math exam grade for six random samples of students from the entire seventh-grade class. Sample Sample Me

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The reason why Fiona cannot make a valid prediction based on the mean of the population is that the variation of Fiona’s samples is too large.

<h3>Why can't Fiona use the means she recorded?</h3><h3 />

Mean is quite sensitive to outliers so it is best used when the variation between variables is not too much.

In Fiona's case, there variation is quite high with high variable of 95 compared to a low value of 45.

Find out more on effect of outliers at brainly.com/question/16815987.

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7 0

1 year ago

4 employees drive to work in the same car. the workers claim they were late to work because of a flat tire. their managers ask t

Brums [2.3K]

Answer:

The required probability is 0.015625.

Step-by-step explanation:

Consider the provided information.

There number of tires are 4.

The number of workers are 4.

The probability that individual select front drivers side tire = $\frac{1}{4}$

The probability that they all select front drivers side,tire is: $\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}=\frac{1}{256}$

Similarly,

The probability that they all select front passenger side, tire is: $\frac{1}{256}$

The probability that they all select rear driver side,tire is: $\frac{1}{256}$

The probability that they all select rear passenger side, tire is: $\frac{1}{256}$

Hence, the probability that all four workers select the same tire = $\frac{1}{256}+ \frac{1}{256}+\frac{1}{256}+\frac{1}{256}$

the probability that all four workers select the same tire = $\frac{4}{256}=\frac{1}{64}=0.015625$

Hence, the required probability is 0.015625.

5 0

2 years ago

twelve rolls of commercial-grade paper towels come in one case costing $23.58 What is the the cost per roll of paper towels

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$23.58 divided by 12 = $1.965
Each roll is about $1.97 (if you round up)

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2 years ago

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Answer:

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Step-by-step explanation:

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1 year ago

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It takes Janelle four hours to drive to New York. If New York is 240 miles from Boston, what is Janelle’s speed per hour?

Lemur [1.5K]

Answer:

60 mph

Step-by-step explanation:

mph=miles/hours

240/4=60

60 miles per hour

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2 years ago