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astra-53 [7]
3 years ago
10

Analysis of visitor behavior has shown that fans are equally likely to leave the stadium through any of the 5 marked stadium exi

ts. What is the probability of a visitor exiting through either exit A or exit B?
0.20

0.40

0.02

0.04
Mathematics
1 answer:
djverab [1.8K]3 years ago
7 0

Answer:

0.40

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Desired outcomes:

Exit A or exit B, so 2 desired outcomes.

This means that D = 2

Total outcomes:

Any of the 5 exits, so T = 5

Probability:

p = \frac{2}{5} = 0.4

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A side of a square is 8 3/2  inches. Using the area formula A = s2, determine the area of the square.
Sedaia [141]
We are given that:
side length = 8 3/2 inches = 9.5 inches
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Substitute with the side length in the rule given to get the area as follows:
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The diameter of Jupiter is 88,732 miles. The 8 in the ten thousands place is how many times greater than the 8 in the thousands
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6 0
3 years ago
Please help me with these questions and please show the work or something... and yep, 30 points so you better answer with an exp
Aleks04 [339]
Part 1:

You have the correct answer. You multiply the probability of getting red (6/15) by the probailitiy of getting red (6/15) to get 36/225 which reduces to 4/25

--------------------------------

Part 2: 

This is also correct. Nice work. You multiply the probability of getting black (9/15) with the probability of getting red (6/15) to get 54/225 = 6/25

--------------------------------

Part 3:

The probability of picking a black checker is 9/15. If a replacement is made, then the probability of picking another black checker is also 9/15. So, 

(9/15)*(9/15) = 81/225 = 9/25

Answer: 9/25

--------------------------------

Part 4:

The probability of rolling a 6 is 1/6. The probability of rolling a 3 is 1/6 as well. This is because there is only one side with this label out of 6 total. Multiply the probabilities

(1/6)*(1/6) = 1/36

Answer: 1/36

--------------------------------

Part 5:

It is impossible to roll a 7 on the six sided cube because the highest number is 6. Therefore the overall probability is 0

Answer: 0

--------------------------------

Part 6:

There are 3 outcomes we want (rolling a 1,2, or 3) out of 6 total. So the probability of rolling a 1,2 or 3 is 3/6 = 1/2. Similarly, the probability of rolling a 4, 5 or 6 is 3/6 = 1/2 as well.

Multiplying the probabilities gives

(1/2)*(1/2) = 1/4

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6 0
3 years ago
I need this FAST!!!!!
mariarad [96]
12.2 mm for longest and 11.8 mm for shortest
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3 years ago
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