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AlekseyPX
3 years ago
11

In a weekly lottery, ten ping-pong balls numbered 0 to 9 are placed in each of six containers, and one ping-pong ball is drawn f

rom each container. To win the prize, a participant must correctly identify the ping-pong ball that is drawn from each of the six containers. If Juan played the lottery last week and didn’t win, what is the probability that he will win this week?
Mathematics
2 answers:
sukhopar [10]3 years ago
6 0
He will have a 1/531,441 chance of winning next week.

There are 10 balls in each container; for 6 containers, this gives us 10^6 = 1,000,000.  There is 1 correct combination of balls, so his chance the first week is 1/1,000,000.

The second week, 1 ball is removed from each container; this will give us 9^6 = 531,441 chances.  There is 1 correct combination, so he will have a 1/531,441 chance of winning.
Fynjy0 [20]3 years ago
5 0

Answer:

The answer is <em>A. 1/1000000</em>

Step-by-step explanation:

Last week’s lottery has no effect on this week’s lottery.

In other words, last week’s lottery and this week’s lottery are independent events.

For this reason, the fact that Juan didn’t win last week’s lottery has no influence on the probability that he will win this week’s lottery.

In this week’s lottery, the drawing from each container is an independent event, so the probability that Juan will win this week is  

1/10  x  1/10 x 1/10 x 1/10 x 1/10 x 1/10 = <em>1/1000000</em>

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Brian likes to go bird watching along the Harvest Park Trail in a nearby forest preserve. He wants to calculate the area enclose
QveST [7]

The question has missing details

The m<em>issing options are: </em>

<em>A. 188,000 square yards </em>

<em>B. 138,000 square yards </em>

<em>C. 600 square yards </em>

<em>D. 300 square yards</em>

<em>See attachment 1 for the missing diagram</em>

Answer:

<em>B. 138,000 square yards </em>

Step-by-step explanation:

The figure can be divided into two shapes (see attachment 2)

From attachment 2,

The dimension of the big rectangle is 1300ft by 800ft

The dimension of the small rectangle is 500ft by 400ft

So, the area is:

Area of the big rectangle added to the area of the small rectangle

i.e.

Area = 1300 * 800 + 500 * 400

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Area = 1240000ft^2

Convert to yd^2 by dividing by 9

Area = 1240000yd^2 /9

Area = 137777.777778\ yd^2

<em>From the list of given options, the closest to the area of the diagram is </em>

<em>B. 138,000 square yards  </em>

<em></em>

8 0
3 years ago
Ruth sees 11 flags in the park. Juno sees 4 more flags than Ruth. Sandra sees 9 more flags than Juno. How many flags does Sandra
Irina-Kira [14]
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3 years ago
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Answer:

6 and 3

Step-by-step explanation:

5.8 to the nearest whole is 6

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