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FrozenT [24]
3 years ago
10

There is 1/4 chance of picking a green marble from a bag. IF there are 20 total marbles in the bag, how many marbles must be gre

en?
Mathematics
1 answer:
matrenka [14]3 years ago
8 0

Answer:

5 green marbles.

Step-by-step explanation:

20* 1/4 = 5

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What is t? <br> 5t - 11 = 99
Gwar [14]

Answer:

22

Step-by-step explanation:

5t=99+11

5t=110

divide both side by 5 to find the value of t

3 0
2 years ago
1. Find the least common multiple of 6 and 9. oct common multiple of​
Marat540 [252]
The least common multiple is : 18

It is the lowest amount that can be reached.
4 0
3 years ago
A variety pack of snacks contains 4 pretzel bags, 3 popcorn bags and 3 cheddar cracker bags. What is the probability that someon
Svetlanka [38]

Answer:

2/15

Step-by-step explanation:

Given that :

pretzel = 4

Popcorn = 3

Cheddar cracker = 3

Total = 4 + 3 + 3 = 10

Probability = Required outcome / Total possible outcomes

Selecting with replacement :

First selection :

P(pretzel bag) = 4 / 10

Second selection :

P(pretzel bag) = 3 / 9

P(2 pretzel bags) = 4/10 * 3/9 = 12 / 90 = 2/15

5 0
3 years ago
Charlie’s portfolio has an expected annual return at 10%, with an annual standard deviation at 12%. Assume his investment return
Deffense [45]

Answer:

There is a 34.13% probability that the actual return will be between the mean and one standard deviation above the mean.

Step-by-step explanation:

This is problem is solving using the Z-score table.

The Z-score of a measure measures how many standard deviations above/below the mean is a measure. Each Z-score has a pvalue, that represents the percentile of a measure.

What is the probability that the actual return will be between the mean and one standard deviation above the mean?

One measure above the mean is Z = 1

The mean is Z = 0

This means that this probability is the pvalue of Z = 1 subtracted by the pvalue of Z = 0.

Z = 1 has a pvalue of 0.8413.

Z = 0 has a pvalue of 0.50.

This means that there is a 0.8413-0.50 = 0.3413 = 34.13% probability that the actual return will be between the mean and one standard deviation above the mean.

3 0
3 years ago
1) A fast food restaurant had 13 pounds of flour. If they split the flour evenly among 3
Ganezh [65]

Answer:

Each chicken would use 4.33 pounds of flour. Two whole numbers the answers relies is 4 and 5.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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