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3 years ago

6

The area of circle b is 36 times greater than the area of circle

1 answer:

Zinaida [17]3 years ago

5 0

I would say D I hope this helps

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KatRina [158]

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3 years ago

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You will need the same dataset used for problem 3 in homework 1 (the dataset obtained from the yahoo website with the company yo

stepladder [879]

Answer:

a) The probability of sampling at random a fish that is smaller in size than the value you would obtain by subtracting half the standard deviation from the average is 0.3085.

b) The probability of sampling at random a fish that is greater in size than the value you would obtain by adding half the standard deviation from the average is 0.3085.

c) The probability of sampling at random a fish that has a size between the two values is 0.383.

d) The 25th and 75 percentiles of fish size for the population using the normal distribution table is 5.69 and 5.87 respectively.

e) The probability that the average calculated will be less than the value is 0.3707.

Step-by-step explanation:

For the given data set mean $(\mu) = 5.75913$

Standard deviation $(\sigma) = 0.172229$

Variance $(\sigma2) = 0.0296$

Here we get is

a)

$P(x < \mu - \sigma/2) = p(x < 5.673) \\\\ = 0.3085$

b)

$P(x < \mu + \sigma/2) = p(x < 5.845) \\\\= 0.3085$

c)

$P(\mu - \sigma/2 < x < \mu + \sigma/2) = p(5.673 < x < 5.845) \\\\= 0.383$

d)

25th percentile:-

$= 25*[(n+1)/100]th term \\\\= 5.69$

75the percentile:-

$= 75*[(n+1)/100]th term\\\\ = 5.87$

e)

$p(x < \mu - \sigma/3) = p(x < 5.7017) \\\\= 0.3707$

7 0

3 years ago

which of the following equation represent the amount of money annalise earns y in a week based on the number of hours x she work

il63 [147K]

I think that the answer is 24 or 32 because of the longitude of that cirlce

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3 years ago

Andros has an oil fired heating system. In 30 days period he used a full tank of oil at a constant rate per day . At a different

Alexandra [31]

Answer:

90 days

Step-by-step explanation:

Let the rate per day for the 30 days period be x

Given that the rate drops to 1/3 of the rate used in 30 days period, it means that the new rate

= 1/3 x

If at a rate of x, the full tank runs for 30 days

at a rate of 1/3 x, the full tank would run for

= x/ (1/3 x) * 30 days

= 3 * 30 days

= 90 days

At the new rate, the full tank of oil will last for 90 days

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2 years ago

If twelve eggs cost $2.04 hon much would 18 eggs cost

Julli [10]

$18 \times 2.04$

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2 years ago

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