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Virty [35]
2 years ago
9

Please answer asap!! (picture)

Mathematics
1 answer:
Artyom0805 [142]2 years ago
7 0

Answer: negitive 1

Step-by-step explanation: cause if you look the red line is on 1 and the blue hump is on -2 and 1 so take that and subtract -2 and 1

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The combined math and verbal scores for students taking a national standardized examination for college admission, is normally d
kipiarov [429]

Answer:

The minimum score that such a student can obtain and still qualify for admission at the college = 660.1

Step-by-step explanation:

This is a normal distribution problem, for the combined math and verbal scores for students taking a national standardized examination for college admission, the

Mean = μ = 560

Standard deviation = σ = 260

A college requires a student to be in the top 35 % of students taking this test, what is the minimum score that such a student can obtain and still qualify for admission at the college?

Let the minimum score that such a student can obtain and still qualify for admission at the college be x' and its z-score be z'.

P(x > x') = P(z > z') = 35% = 0.35

P(z > z') = 1 - P(z ≤ z') = 0.35

P(z ≤ z') = 1 - 0.35 = 0.65

Using the normal distribution table,

z' = 0.385

we then convert this z-score back to a combined math and verbal scores.

The z-score for any value is the value minus the mean then divided by the standard deviation.

z' = (x' - μ)/σ

0.385 = (x' - 560)/260

x' = (0.385×260) + 560 = 660.1

Hope this Helps!!!

8 0
3 years ago
What is the slope of a perpendicular line 2x + y = 6<br><br> is answer -2
Firdavs [7]

Answer:

The slope that is perpendicular to the line will be:

m_2=+\frac{1}{2}

Step-by-step explanation:

Given the equation

2x\:+\:y\:=\:6\:

We know that

y=mx+b is the slope-intercept form of a line where m is the slope and b is the y-intercept.

So, writing the equation in the slope-intercept form

2x\:+\:y\:=\:6\:

\:y=-2x+6

here

m=-2        ∵  y=mx+b        

As we know that for perpendicular lines, one slope is the negative reciprocal of the other.

Therefore, the slope that is perpendicular to the line will be:

m_2=+\frac{1}{2}

3 0
2 years ago
craige rose is an over-road truck driver. if he is paid 0.54 per mile, what is craig's total pay for the amount of miles
cricket20 [7]

if x = amount of miles driven

pay = .54*x

7 0
3 years ago
Nevermind I'll just find it somewhere else XD
Snowcat [4.5K]

Answer:

I'm sorry I couldn't help you

Step-by-step explanation:

5 0
3 years ago
Thang decided to borrow ​$4000 from his local bank to help pay for a car. His loan was for 3 years at a simple interest rate of
BlackZzzverrR [31]

Answer:

840

Step-by-step explanation:

I=PRT

I =4000 x 0.07 x 3

I=840

3 0
2 years ago
Read 2 more answers
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