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kicyunya [14]
3 years ago
7

Can the following question be considered a statistical question, and why? For how many hours does each student at Bryan Middle S

chool sleep?
Yes, it specifies the population
No, it does not specify the population
Yes, it anticipates enough variability in responses
No, it does not anticipate enough variability in responses
Mathematics
1 answer:
faltersainse [42]3 years ago
7 0

Answer:

<h2>Yes, it anticipates enough variability in responses</h2>

Step-by-step explanation:

The given question is

<em>"How many hours does each student at Bryan Middle School sleep?"</em>

<em />

This is an actual statistical question, because it's aimed to measure a variable: hours of sleep.

An important characteristic of a statistical question is that you get a range of answers, you have variability, which enables you to create distributions of that data set.

Therefore, the right answer is "Yes, it anticipates enough variability in responses".

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Answer: 32$

Step-by-step explanation: 8 x 4 = 32

32 divided by 4 = 8

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What is 3 1/4 divided by 2/3 with all of the steps?
erik [133]

Answer:

4 7/8

Step-by-step explanation:

3 1/4 / 2/3

convert mixed numbers to improper fractions: 3 1/4 / 2/3

13/4 / 2/3

apply the fraction rule: a/b / c/d = a/b * d/c

= 13/4 * 3/2

multiply fractions: a/b * c/d = (a * c)/(b * d)

= (13 * 3)/(4 * 2)

multiply the numbers: 13 * 3 = 39

= 39/(4 * 2)

multiply the numbers: 4 * 2 = 8

= 39/8

convert improper fractions to mixed numbers: 39/8 = 4 7/8

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5 0
3 years ago
Cammie can mow 1/2 acre in 25 minutes. If her rate is constant, Cammie says she can mow 1 1/4 acres in one hour. Is Cammie corre
Sergeu [11.5K]

Answer: No, Cammie is not correct. She can mow  1\frac{1}{5}\ acres in one hour (See explanation).

Step-by-step explanation:

Convert the mixed number to an impoper fraction:

1. Multiply the whole number part by the denominator of the fraction and add the product to the numerator.

2. The denominator does not change.

Then:

1\frac{1}{4}=\frac{(1*4)+1}{4}=\frac{5}{4}

Let be "x" the acres Cammie can mow in one hour.

You know that she can mow \frac{1}{2}\ acre in 25 minutes, then you can set up the following proportion (Remember that 1 hour has 60 minutes):

\frac{\frac{1}{2}}{25}=\frac{x}{60}

Solving for "x", you get:

\frac{\frac{1}{2}}{25}=\frac{x}{60}\\\\(60)(\frac{1}{50})=x\\\\x=\frac{6}{5}

Convert from improper fraction to mixed number:

1. When you divide 6 by 5, the quotient is 1. This will be the whole number part.

2. The remainder is 1. This will be the numerator.

3. The denominator does not change.

Then:

x=1\frac{1}{5}

Therefore, she can mow  1\frac{1}{5}\ acres in one hour.

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2 years ago
What is the value of Arc sine (StartFraction StartRoot 2 EndRoot Over 2 EndFraction)?
harkovskaia [24]

Answer:

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Step-by-step explanation:

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