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Ksivusya [100]
3 years ago
9

Can someone do this for me?

Mathematics
1 answer:
EastWind [94]3 years ago
6 0
Do you know your places? Like tenth place?
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Bill and George go target shooting together. Both shoot at atarget at the same time. Suppose Bill hits the target withprobabilit
german

Answer: (a) \frac{2}{9}       (b) \frac{6}{41}

Step-by-step explanation:

(a) P( Bill hitting the target) = 0.7        P( Bill not hitting the target) = 0.3

    P( George hitting the target) = 0.4     P(George not hitting the target) = 0.6

Now the chances that exactly one shot hit the target is = 0.7 x 0.6 + 0.4 x 0.3

                                                                                            = 0.54

Chances that George hit the target is = 0.4 x 0.3 = 0.12

So given that exactly one shot hit the target, probability that it was George's shot = \frac{0.12}{0.54} = \frac{2}{9} .

(b) The numerator in the second part would be the same as of (a) part which is 0.12.

The change in the denominator will be that now we know that the target is hit so now in denominator we include the chance of both hitting the target at same time that is 0.4 x 0.7 and the rest of the equation is same as above i.e.

Given that the target is hit,probability that George hit it =                                                 \frac{0.4\times 0.3}{0.7\times 0.6 +0.4\times 0.3+0.4\times 0.7}  = = \frac{6}{41}                                                                        

                                                                                           

6 0
2 years ago
How do i divide and multiply rational expressions?
notka56 [123]

Answer:

To multiply rational expressions, first factor all numerators and denominators and cancel any factors you can. Then multiply what you have left.

Step-by-step explanation:

4 0
3 years ago
Change 16/20 to tenths
solniwko [45]
16/20 = 8(2)/10(2) = 8/10. 8/10 can also be further reduced to 4/5.
5 0
3 years ago
Read 2 more answers
What is the product of -8(7-3.2)
Anton [14]
It should be 30.4

Multiply 8 by both numbers in the parentheses. -8x7 - 8x(-3.2)
You should end up with -56 + 25.6
Next you add those two numbers and you end up with 30.4.

I hope this helps!
7 0
1 year ago
In circle M, name a chord that lies on a secant.
Zepler [3.9K]
C. Segment EB is a chord that lies on a secant because the line segment's endpoints are on the circle. 
5 0
2 years ago
Read 2 more answers
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