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damaskus [11]
4 years ago
14

If I draw a marble from 7 blue, 4 green 6, red, and 8 yellow. what is the probability I will draw a green?

Mathematics
1 answer:
NARA [144]4 years ago
4 0

Step-by-step explanation:

No of blue marbles = 7

No of green marbles = 4

No of red marbles = 6

No of yellow marbles = 8

Total marbles = 25

Probability of green marble = 4/ 25

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There are 12 pieces of candy in a bowl. 6 are mints, 4 are Butterscotch, and 2 are Cinnamon.
Ksju [112]

Answer:

1/6

Step-by-step explanation:

total = 12

number of butterscotch = 4

number of mint = 6

Since he replaces the mint, these events are independent events.

p(butterscotch, then mint) = p(butterscotch) * p(mint)

p(event) = (number of desired outcomes)/(total number of outcomes)

p(butterscotch) = 4/12 = 1/3

p(mint) = 6/12 = 1/2

p(butterscotch, then mint) = p(butterscotch) * p(mint)

p(butterscotch, then mint) = 1/3 * 1/2

p(butterscotch, then mint) = 1/6

Answer: 1/6

3 0
3 years ago
A baseball player has a batting average of 0.26. What is the probability that he has exactly 6 hits in his next 7 at bats
LenKa [72]

Answer:

0.0016

Step-by-step explanation:

Batting average, p = 0.26

n = 7

x = 6

With p = 0.26 as success rate

1-p is equal to failure rate which is = 0.74

We have to solve this by using the binomial distribution formula.

P(X= x)

= nCx * p^x * (1-p)^(n-x)

P(X = 6)

=7C6 × 0.26^6 ×(1-0.26)^(7-6)

= 7 × 0.0003089 × 0..74¹

= 0.0016

So probability that he has exactly 6 hits in his next 7 bats is equal to 0.0016.

8 0
4 years ago
What is the solution to the differential equation dydx=5y2 with the initial condition y(0) = 3?
IceJOKER [234]

Answer:

Step-by-step explanation:

dydx = 5y^{2} \\\frac{dy}{5y^{2}} = dx\\

Integrating both sides yields:

-\frac{1}{5y} = x + c\\ y = -\frac{1}{5x + 5c} \\y(0) = 3 => 3 = -\frac{1}{0 + 5c} => c = -\frac{1}{15}

Our solution is:

y = -\frac{1}{5x - \frac{1}{3} }

3 0
3 years ago
A circle has a diameter of 7.2 inches.
navik [9.2K]

Answer:

22.6 inches

Step-by-step explanation:

The circumference of a circle is given by

C = pi *d

The diameter is 7.2 inches

Approximating pi by 3.14

C = 3.14 * 7.2

C = 22.608

Rounding to the nearest tenth

C = 22.6

7 0
3 years ago
Help <br><br> Don’t use for points or I’ll take it back
Vlada [557]

Answer:

68 degrees

Step-by-step explanation:

2 complementary angles make up a 90 degree angle.  

90 degrees - 22 degrees = 68 degrees

8 0
3 years ago
Read 2 more answers
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