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EastWind [94]
3 years ago
11

Daniel reads dor 8 times as many as April. Daniel read 44 minutes this week. How many minutes does April read?

Mathematics
1 answer:
ELEN [110]3 years ago
5 0
44 [minutes] * 8 [times as many as April] = 352 [minutes in April]
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torisob [31]

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4 0
2 years ago
The DVD player shows the time of day as 1:43.
steposvetlana [31]

Answer:

The answer is 2:36

Step-by-step explanation:

The answer is 2:36 because 1:43 plus 56 minutes later would be 2:36

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3 years ago
g You are planning an opinion study and are considering taking an SRS of either 200 or 600 people. Explain how the sampling dist
Katen [24]

Answer:

By the Central Limit Theorem, both would be approximately normal and have the same mean. The difference is in the standard deviation, since as the sample size increases, the standard deviation decreases. So the SRS of 600 would have a smaller standard deviation than the SRS of 200.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For the sampling distribution of size n of a sample proportion p, the mean is p and the standard deviation is s = \sqrt{\frac{p(1-p)}{n}}

Differences between SRS of 200 and of 600

By the Central Limit Theorem, both would be approximately normal and have the same mean. The difference is in the standard deviation, since as the sample size increases, the standard deviation decreases. So the SRS of 600 would have a smaller standard deviation than the SRS of 200.

6 0
3 years ago
What is the solution to the equation?
Lisa [10]
3q + 5 = -2q + 20

add 2q to both sides.

5q + 5 = 20

subtract 5 to both sides.

5q = 15

divide 5 to both sides.

q = \frac{15}{5}

the answer is: q = 3 
5 0
3 years ago
What is the speed of a car that takes 3 hours to go 75 miles
Rainbow [258]
75/3=25 miles per hour
That's your answer.
3 0
3 years ago
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