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Westkost [7]
3 years ago
7

I NEED HELP ASAP!!! AND PLEASE EXPLAIN THE BEST YOU COULD!!!!

Mathematics
1 answer:
qwelly [4]3 years ago
8 0
A and C are correct I believe
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There is a 0.9989 probability that a randomly selected 29-year-old male lives through the year. A life insurance company charges
IRINA_888 [86]

Answer:

A) - Value that corresponds to surviving the year would be: $-197

- Value Corresponding to not surviving = $98803

B) $-88.1

C) Yes, because the insurance company expects to make an average profit of $88.1 on every 29 year-old male that it insures for 1 year.

Step-by-step explanation:

A) We are told that the life insurance company charges $197 for insuring that the male will live through the year.

Thus, the value that corresponds to surviving the year would be: $-197 since amount that's paid out is $-197

We are told that the policy pays out $100,000 as a death benefit.

Therefore, the value that corresponds to not surviving the year is:

$100000 - 197 = $98803

B) From complement rule in probability;

P(not surviving) = 1 - P(surviving) = 1 - 0.9989 = 0.0011

Expected value would be;

μ = Σx•P(x) = (98803 × 0.0011) + (-197 × 0.9989) = $-88.1

C) Yes, because the insurance company expects to make an average profit of $88.1 on every 29 year-old male that it insures for 1 year

5 0
3 years ago
Simplify this expressions<br> -2x+3-15-6x)
WITCHER [35]

Answer:

- 4 (2x + 3)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What do you solve first in an equation without parentheses?
Veronika [31]
PEMDAS or Please Excuse My Dear Aunt Sally.
Parentheses.
Exponents
Multiplying/Dividing
Adding/Subtracting
You would solve for exponents.
8 0
3 years ago
5х – 4у = 90<br> 3х + y = — 56<br><br> how do i solve this using elimination?
sweet-ann [11.9K]

Answer:

x=-7.88

y=-32.35

the point answer would be (-7.88 , -32.35)

Step-by-step explanation:

First step is to multiply 3x+y=-56 by 4 and you get 12x+4y=-224

Then add each equation together to eliminate y from each equation. You get 17x=-134

Then find divide that equation by 17. You would get x=-7.88

Then plug -7.88 into one of the original equations for x. 5(-7.88)-4y=90 And from that you get -39.4-4y=90

Then isolate the y variable. You would get -4y=129.4

Then divide by -4 and get y=-32.35

7 0
4 years ago
The enrollment at an elementary school is going to increase from 700 students to 1330 students. A parents' group is planning to
aivan3 [116]

300 x 700 = 210,000 square feet

600 x 1400 = 840,000 square feet

840,000 - 210,000 = 630,000 square feet difference

4 0
3 years ago
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