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2 years ago

A shoe company got an order for 3 cartons of shoes. There are 42 pairs of

Mathematics

1 answer:

erik [133]2 years ago

6 0

Answer:

126?

Step-by-step explanation:

sense there are 3 cartons and 42 in each carton you would multiply 3 by 42 to get 126.

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An urn contains 8 red chips, 10 green chips, and 2 white chips. A chip is drawn and replaced, and then a second chip is drawn.

Harlamova29_29 [7]

Answer:

(A) 0.04

(B) 0.25

Step-by-step explanation:

Let R = drawing a red chips, G = drawing green chips and W = drawing white chips.

Given:

R = 8, G = 10 and W = 2.

Total number of chips = 8 + 10 + 2 = 20

$P(R) = \frac{8}{20}=\frac{2}{5}\\P(G)= \frac{10}{20}=\frac{1}{2}\\P(W)= \frac{2}{20}=\frac{1}{10}$

As the chips are replaced after drawing the probability of selecting the second chip is independent of the probability of selecting the first chip.

(A)

Compute the probability of selecting a white chip on the first and a red on the second as follows:

$P(1^{st}\ white\ chip, 2^{nd}\ red\ chip)=P(W)\times P(R)\\=\frac{1}{10}\times \frac{2}{5}\\ =\frac{1}{25} \\=0.04$

Thus, the probability of selecting a white chip on the first and a red on the second is 0.04.

(B)

Compute the probability of selecting 2 green chips:

$P(2\ Green\ chips)=P(G)\times P(G)\\=\frac{1}{2} \times\frac{1}{2}\\ =\frac{1}{4}\\ =0.25$

Thus, the probability of selecting 2 green chips is 0.25.

(C)

Compute the conditional probability of selecting a red chip given the first chip drawn was white as follows:

$P(2^{nd}\ red\ chip|1^{st}\ white\ chip)=\frac{P(2^{nd}\ red\ chip\ \cap 1^{st}\ white\ chip)}{P (1^{st}\ white\ chip)} \\=\frac{P(2^{nd}\ red\ chip)P(1^{st}\ white\ chip)}{P (1^{st}\ white\ chip)} \\= P(R)\\=\frac{2}{5}\\=0.40$

Thus, the probability of selecting a red chip given the first chip drawn was white is 0.40.

6 0

3 years ago

Free coins 4+4 5+5 10x10 40+40 answer these for branliest

Sergio [31]

44, 55, 1010 and 4040
I knew I was smart :)

3 0

3 years ago

Read 2 more answers

If a triangle has one angle that measures 62.5o and another angle that measures 77o , then what is the measurement of the last a

Ann [662]

Answer:

40.5 degrees

Step-by-step explanation:

A triangle's angles all add up to 180 degrees, so to solve this all you need to do is add the two numbers you have and subtract them from 180.

62.5+77+x=180

139.5+x=180

-139.5 -139.5

x=40.5

6 0

3 years ago

Find two positive numbers such that the sum of the first and twice the second is 100

Lesechka [4]

20 and 40.

20 + 40 + 40 = 100

3 0

3 years ago

Does anyone know the last two bullet points ? Need help real bad !

kvasek [131]

I think for the last one you have to multiply it by 5 to get the answer

4 0

3 years ago