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3 years ago

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If i go into an ice cream parlor, and i have the choice of having one of 10 different flavors, with one of 5 different toppings

and one of 3 different types of cones, how many times can i come back to this place and get a different ice cream cone combination

1 answer:

horrorfan [7]3 years ago

7 0

35 hope this helps with the problem

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Explain when the median of a data set is a better<br> measure of center than the mean.

Akimi4 [234]

Answer:

explanation

Step-by-step explanation:

When there is an outlier in the data set, the dot plot or histogram will be skewed. In a skewed representation, the mean is pulled up or down toward the tail of the data. Therefore, skewed data affects the mean more than the median.

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3 years ago

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Of the population of all fruit flies we wish to give a 90% confidence interval for the fraction which possess a gene which gives

Eva8 [605]

Answer:

The margin of error for the 90% confidence interval is of 0.038.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

The margin of error is of:

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

To this end we have obtained a random sample of 400 fruit flies. We find that 280 of the flies in the sample possess the gene.

This means that $n = 400, \pi = \frac{280}{400} = 0.7$

90% confidence level

So $\alpha = 0.1$ , z is the value of Z that has a pvalue of $1 - \frac{0.1}{2} = 0.95$ , so $Z = 1.645$ .

Margin of error:

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

$M = 1.645\sqrt{\frac{0.7*0.3}{400}}$

$M = 0.038$

The margin of error for the 90% confidence interval is of 0.038.

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2 years ago

In the diagram, MQ = QP = PO = ON. Triangles Q M P, M P N, and P N O are connected. Sides Q M, Q P, P O, and N O are congruent.

aliya0001 [1]

Answer:

MQ IS GREATER I THINK I GAD THAT SAME QUESTION

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3 years ago

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Helga [31]

Answer:

5

Step-by-step explanation:

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2 years ago

The equation of this circle is (x + <br> )2 + (y + <br> )2 = <br> .

Alex787 [66]

Answer:

x2 + y2 = r2, and this is the equation of a circle of radius r whose center is the origin O(0, 0). The equation of a circle of radius r and center the origin is x2 + y2 = r2.

I think this is the answer.

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2 years ago