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BARSIC [14]
3 years ago
12

A business assigned two different employees to work on a question independently. The company thinks the chance the first employe

e solves the problem is 0.9 and the probability the second employee solves the problem is 0.8. Assuming the success [or failure] of the employees is independent, what is the probability at least one of the employees will solve the problem?
Mathematics
1 answer:
Misha Larkins [42]3 years ago
4 0

Answer:

  0.98

Step-by-step explanation:

The probability one or the other will solve the problem is ...

  p(A or B) = p(A) + p(B) - p(A&B)

For independent events, ...

  p(A&B) = p(A)p(B)

so, the probability of interest is ...

  p(A or B) = 0.9 + 0.8 - 0.9·0.8 = 0.98

The probability is 0.98 that at least one of the employees will solve the problem.

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Find the slope of the line passing through the points -2,7 and -6,3
Helga [31]

Answer: the slope is 1

Step-by-step explanation:

m = y2 - y1 / x2 - x1

m = 7-3 / -2+6

m = 4/4

m=1

6 0
2 years ago
Whats the order pair of x,y for x-2y=-12 x 6y=20?
mote1985 [20]
X-2y=-12
x+6y=20
we can cancel x's
multiply first equation by -1 and add to 2nd equation

-x+2y=12
<u>x+6y=20 +</u>
0x+8y=32

8y=32
divide both sides by 8
y=4

sub back

x-2y=-12
x-2(4)=-12
x-8=-12
add 12 both sides
x=-4


(x,y)
(-4,4)
4 0
3 years ago
Two cards are selected at random from a standard deck of cards. What is the probability that you select a king or a queen? (If y
Alenkasestr [34]

Answer:

2/13

Step-by-step explanation:

In a standard deck of cards, there are 52 cards total, 4 kings, and 4 queens.

Probability is calculated by (number of favorable outcomes)/(number of possible outcomes), so our probability would be 8/52, which can be simplified to 2/13.

Hope this helps!

7 0
3 years ago
My family and I are so confused on this! Help please!
-BARSIC- [3]

Answer:

10) Correct

11) Each row is equal to 12 when you multiply them together.

12) 24

Step-by-step explanation:

12) You multiply 4*3*2 to get the volume of 24, which is also the number of cubes needed to make the shape.

<u>Please</u><u> give</u><u> brainliest</u><u> if</u><u> I</u><u> helped</u><u>!</u><u> </u><u>:</u><u>)</u>

3 0
2 years ago
There are 2.54 cm in 1 inch. they are 100 cm in 1 m, to the nearest meter, how many meters are in 474 inches
zlopas [31]

Multiply total meters by 100 to get total centimeters:

6 meters x 100 = 600 centimeters.

Now divide total centimeters by 2.554 to get total inches:

600 centimeters / 2.54 = 236.22 inches.

Rounded to the nearest inch = 236 inches.

6 0
3 years ago
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