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Lisa [10]
2 years ago
5

If x = y, then x + 2 =

Mathematics
1 answer:
yawa3891 [41]2 years ago
4 0

Answer:

As far as i can tell it would just be y+2?

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In all, 1000 students took a statistics exam worth 150 points. The first quartile (or Q1) for all 1000 scores is 90 points. Abou
Brums [2.3K]

Answer:

The number of students who scored more than 90 points is 750.

Step-by-step explanation:

Quartiles are statistical measures that the divide the data into four groups.

The first quartile (Q₁) indicates that 25% of the observation are less than or equal to Q₁.

The second quartile (Q₂) indicates that 50% of the observation are less than or equal to Q₂.

The third quartile (Q₃) indicates that 75% of the observation are less than or equal to Q₃.

It is provided that the first quartile is at 90 points.

That is, P (X ≤ 90) = 0.25.

The probability that a student scores more than 90 points is:

P (X > 90) = 1 - P (X ≤ 90)

                = 1 - 0.25

                = 0.75

The number of students who scored more than 90 points is: 1000 × 0.75 = 750.

4 0
2 years ago
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Of the last 100 customers entering Best Buy, 25 buy a computer. If the classical probability assessment applies, the probability
Yuliya22 [10]

Answer:

1/4

Step-by-step explanation:

The classical probability assessment works based on the principle that the probability of an event occurring is equal to the number of times the event occurs divided by total number of outcomes.

That is:

P(A) = n(A) / N

Therefore, the probability that the next customer will buy a computer will be:

P(c) = 25 / 100 = 1/4

7 0
3 years ago
Tom has a pool in his backyard. The patio and fence around the pool are
stiks02 [169]
Yes it's A cos that's the correct answer
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2 years ago
PLEASE HELP ME ON THIS, im begging you!
nexus9112 [7]

Answer:

question, what grade are you in? it might help me solve the problem

Step-by-step explanation:

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2 years ago
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Arrange the numbers in the ascending order: 3/4,1/12,9/16,7/24
OLEGan [10]
Ascending means going up
First change into decimals
3/4=0.75
1/12=0.083
9/16=0.5625
7/24=0.291666…..

Start from smallest to largest number
0.291666…..,0.5625,0.75,0.083

Find their fractions
7/24,9/16,3/4,1/12

Answer:7/24,9/16,3/4,1/12
4 0
1 year ago
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