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sweet-ann [11.9K]
2 years ago
6

A large bag of marbles contains an equal amount of red, orange, yellow, blue, and green marbles. Jaden randomly selects 1 marble

from the bag. Which of the following represents the probability of selecting a red, blue, or yellow marble?
A. 0.5
B. 0.4
C. 0.3
D. 0.6
Mathematics
1 answer:
Bogdan [553]2 years ago
8 0

Answer:

Option D

0.6

Step-by-step explanation:

Given that there are 5 colour marbles in a large bag.

The colours are red, orange, yellow, blue and green.

Also given that there are equal amounts of each colour

Let n be the no of marbles of each colour.

Then total no of marbles = 5(n) = 5n

No of red,blue and yellow marbles = n+n+n = 3n

Prob of drawing a red or blue or yellow = P(red)+P(blue)+P(yellow)

= \frac{n}{5n} +\frac{n}{5n} +\frac{n}{5n}  = \frac{3n}{5n}

= 0.60

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3 0
2 years ago
How many computers must the AB Computer Company sell to break even? Let x be the number of computers.
Eduardwww [97]

Answer:

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Step-by-step explanation:

we have

R(x)=1.5x -----> equation A

C(x)=145+\frac{1}{4}x ----> equation B

where

C is the cost function

R is the revenue function

x is the number of computers sold

we know that

Break even is when the cost is equal to the revenue

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equate equation A and equation B

1.5x=145+\frac{1}{4}x

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