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Drupady [299]
2 years ago
8

Why can you not delete questions on here?????

Mathematics
1 answer:
lorasvet [3.4K]2 years ago
4 0

We can't delete our questions on brainly because it has already been posted.

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An employer has a staff of eighty actuaries, ten of whom are student actuaries. A student actuary is allowed a total of ten week
sergiy2304 [10]

Answer:

0.1111

Step-by-step explanation:

From the given information;

Number of staffs in the actuary = 80

Out of the 80, 10 are students.

i.e.

P(student actuary) = 10/80 = 0.125

number of weeks in a year = 52

off time per year = 10/52 = 0.1923

P(at work || student actuary) = (50 -10/52)

= 42/52

= 0.8077

P(non student actuary) = (80 -10)/80

= 70 / 80

= 0.875

For a non-student, they are only eligible to 4 weeks off in a year

i.e.

P(at work | non student) = (52-4)/52

= 48/52

= 0.9231

∴

P(at work) = P(student actuary) × P(at work || student actuary) + P(non student actuary) × P(at work || non studnet actuary)

P(at work) =  (0.125 × 0.8077) + ( 0.875 × 0.9231)

P(at work) = 0.1009625 + 0.8077125

P(at work) = 0.90868

Finally, the P(he is a student) = (P(student actuary) × P(at work || student actuary) ) ÷ P(at work)

P(he is a student) = (0.125 × 0.8077) ÷ 0.90868

P(he is a student) = 0.1009625 ÷ 0.90868

P(he is a student) = 0.1111

5 0
2 years ago
In the problem 62 × 45, what are the partial products?
Nana76 [90]
In the problem 62 times 45 the partial numbers are 6 and 5
4 0
3 years ago
This section of a page from a telephone directory shows a column of 11 names in 1 inch. Each page has four 10-inch columns. Writ
GREYUIT [131]

number of names(p) = 4 columns * 10 inches per column * 11 names per inch * page

number of names(p) = 4*10*11*p = 440*p

The algebraic expression for the number of names in p pages is 440*p

4 0
2 years ago
How is scientific notation useful in the real world?
grin007 [14]

Answer:

You're less likely to make mistakes reading or writing very big and very small numbers if you use scientific notation. It also makes it much easier to tell at a glance which numbers are bigger or smaller without counting long strings of zeros.

4 0
3 years ago
Read 2 more answers
PLEASE HELP ASAPWhich expressions are equivalent?
Nadusha1986 [10]

Answer:

The third option.

Step-by-step explanation:

You are incorrect it is the third option. I hope I helped!

8 0
2 years ago
Read 2 more answers
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