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Ugo [173]
3 years ago
5

Write the event as set of outcomes. When we roll two dice, the total showing is eight.

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
8 0
<h3>Answer: A. {(2, 6), (3, 5), (4, 4), (5, 3), (6, 2)}</h3>

Explanation:

We simply list each possible choice in the form (x,y) where x is the result of the first die and y is the result of the second die.

The sum must be 8 so x+y = 8.

Choice A is the complete list showing all possible sums of 8.

Choice B is missing (5,3) and (6,2).

Choice C is missing (4,4)

Choice D shows (1,7), but 7 isn't a valid roll of a six-sided die.

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4.4721

Step-by-step explanation:

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What is the answer to this question1/2 divided by 6/13
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3 years ago
Read 2 more answers
The cost of health insurance is $900 per month. The cost of an operation for a dramatic injury is $500,000. The chances of someo
lord [1]

Answer:

Yes, It is better to buy the insurance.

Step-by-step explanation:

Given Data:

Cost of Health Insurance for a month = 900$ per month

As 20 Years = 20*12 months = 240 months

Cost of Health Insurance for 20 years = 900 * 240

Cost of Health Insurance for 20 years = 216,000$

Insurance claim in case of having dramatic injury = Cost of Dramatic Injury = 500,000$

Insurance claim in case of having no dramatic injury = 0$

Chances of dramatic injury in 20 years = P(A) = 47.3%

Chances of not having dramatic injury in 20 years = P(B) = 100% - 47.3%

Chances of not having dramatic injury in 20 years = P(B) = 52.7%

Expected Insurance Claim for 20 years:

Expected Insurance Claim for 20 years = (Chances of having dramatic injury in 20 years * Insurance claim) + (Chances of not having dramatic injury * Insurance claim)

Expected Insurance Claim for 20 years = P(A) * 500,000$ + P(B) * 0$

Expected Insurance Claim for 20 years = 47.3% * 500,000 + 52.7% * 0

Expected Insurance Claim for 20 years = 236500 + 0

Expected Insurance Claim for 20 years = 236,500$

Expected Profit:

As expected insurance claim is 236,500$ is more than the cost of health insurance for 20 years and we are expected to have profit of 20,500$, thus we should take the health insurance.

3 0
3 years ago
Solve –3(2 – 5w) = 9w + 66 for w.
valkas [14]

-6 + 15w = 9w + 66

6w = 72

w = 12

7 0
4 years ago
Find a,b,and c for the answer
Svetach [21]
Alright give me a second ok
3 0
3 years ago
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