Answer:
85-9y= 7(4+y)
solve for y if you need to simplify
Answer:
The probability mass function of random variable X which represents the number of blue marbles drawn in 2 draws with replacement.
X | P(X)
0 | 0.390625
1 | 0.46875
2 | 0.140625
The probability of drawing exactly one blue marble = 0.46875
0.46875 as a simplified fraction is ------ 15/32
Step-by-step explanation:
<span>-Andrew should remove from the bag 1 green, 1 black, and 2 red marbles.
</span><span>-Andrew should add more yellow marbles to the bag.
Andrew should triple the number of yellow marbles in the bag.
</span><span />
<span>Actually the above equation can be solved by following the below steps to fins the value of x
Step1: 3(x-k)/w=4
Step 2: (3x-3k)/w=4
Step 3: (3x-3k)=4w
Step 4: 3x=4w+3k
So hence therefore by following the above steps we can conclude that the value of x is
Step 5: x=(4w+3k)/3</span>
Using the given histogram, we have that 90% of the players in the sample have scores that are less than 2300.
<h3>What is the missing information?</h3>
This problem is incomplete, but researching it on a search engine, we have that the histogram states as follows:
- 6 of these players have scores between 300 and 700.
- 6 of these players have scores between 700 and 1100.
- 13 of these players have scores between 1100 and 1500.
- 14 of these players have scores between 1500 and 1900.
- 6 of these players have scores between 1900 and 1300.
- 5 of these players have scores between 2300 and 2700.
It asks the proportion of players in the sample with <u>scores that are less than 2300</u>.
<h3>What is an histogram?</h3>
An histogram is a graph that shows the <u>number of times each element of x was observed.</u>
Above, we already gave the amounts presented by histogram, and we have that 45 out of 50 players have <u>scores that are less than 2300</u>, hence the proportion is given by:
p = 45/50 = 0.9.
More can be learned about histograms at brainly.com/question/25836450
#SPJ1