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andrew-mc [135]
2 years ago
11

A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 49.0 and 54.

0 minutes. Find the probability that a given class period runs between 50.75 and 51.75 minutes.
Find the probability of selecting a class that runs between and minutes.
Mathematics
1 answer:
Pie2 years ago
8 0

Answer:

0.2

Step-by-step explanation:

Write a proportion.

(54.0 − 49.0) / 1 = (51.75 − 50.75) / x

5 = 1 / x

x = 0.2

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The graph shows the relationship between the number of correct answers given by Mini and the number of marks she scored. How man
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18

Step-by-step explanation:

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3 years ago
A motor club has estimated that a 325 mile car trip will take 6 1/2 hours. What is the club assuming to be the average speed mil
In-s [12.5K]

<u>Answer: </u>

The average speed that the club is assuming is 50 miles per hour

<u>Solution: </u>

We know that Distance = Speed × Time.

Here it is given that distance is 325 miles and the time to cover 325 miles is 6_{2}^{1} hours which is equal to \frac{13}{2} hours.

Now to find the average speed mile per hour we use the formula

\begin{aligned} \text { Speed } &=\frac{\text { Distance }}{\text { time }} \\ &=\frac{325}{\frac{13}{2}} \\ &=\frac{325 \times 2}{13} \end{aligned}

By cancelling 325 by 13 we get 25

= 25 × 2  

= 50 miles per hour

Thus the average speed that the club is assuming is 50 miles per hour.

3 0
3 years ago
A feeder at the zoo in shape of a cone has a radius of 3 inches. It holds about 113.04 cubic inches of food. Approximate its hei
umka2103 [35]

Answer:

12 inches

Step-by-step explanation:

3 0
3 years ago
Some1 help me this due tomorrow and in stressing out
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Answer:

Step-by-step explanation:

So, as shown in the picture below, you first have to find the line y = -1. Then that’s what your going to reflect. Imagine that your making a print of it, that’s how you will reflect it. Imagine taking a piece of paper with that triangle on it and folding it along that line I drew in my picture (at y=-1). Hope that helped!

5 0
3 years ago
What is the least common denominator of 4/5 and 1/10
antiseptic1488 [7]
The least common denominator for the question you have supplied me with is 10. The least common multiple of the denominators, 5 and 10, is 10, making the LCD 10.
4 0
3 years ago
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