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Setler [38]
3 years ago
15

Private nonprofit four-year colleges charge, on average, $26,208 per year in tuition and fees. The standard deviation is $7,040.

Assume the distribution is normal. Let X be the cost for a randomly selected college. Round all answers to 4 decimal places where possible.
a. What is the distribution of X? X ~ N(
26208
Correct,
7040
Correct)

b. Find the probability that a randomly selected Private nonprofit four-year college will cost less than 22,924 per year.


c. Find the 60th percentile for this distribution. $
(Round to the nearest dollar.)
Mathematics
1 answer:
kolezko [41]3 years ago
5 0

Answer:

#########

Step-by-step explanation:

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Georgie joins a gym. She pays $25 to sign up and then $15 each month. Graph it. Label the y-intercept,the slope, and your axes.
Firlakuza [10]
The first thing you should do for this case is to find the equation of the line that best suits the problem and then plot it.
 Let
 x: number of months
 y: amount paid.
 The equation of the line is
 y = 15x + 25
 y-intercept = 25
 the slope = 15
 answer
 Georgie pays (y axis) $ 15 dollars (the spole) monthly (x-axis) in the gym with a $ 25 registration (y-intercept)

8 0
4 years ago
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2x+5=7 algebra tiles to model the given two step equation
prisoha [69]
X= 1, what do you mean algebra tiles to model given two step equation?
3 0
4 years ago
A remote control car races straight down the street at 26 miles per hour. Two
Pachacha [2.7K]

Answer:

It will take 4 hours for the second car to catch up with the first car.

Step-by-step explanation:

The first step to solving this problem is determining the difference in speed between the first and second car - you can see that the second car (at 52mph) is twice as fast as the first (26mph) therefore it will take half the time to cover the same distance.

As Car 1 has a 2 hour head start, it will be 52 miles ahead after 2 hours.

In the next 2 hours, Car 1 will travel 52 miles - so 104 in total after 4 hours, and car 2 will travel 104 miles, meaning that it will have caught up after 4 hours.

A)

To calculate distance per minute, divide the miles per hour by 60 (as there's 60 minutes in an hour), so:

Car 1 = 26/60 = 0.43 miles per minute

Car 2 = 52/60 = 0.867 miles per minute

To check your calculation, Car 2 should be exactly twice as far

B) The street, as far as we know, is at least 104 miles

C) See calculation at the top - the first car is 52miles from the start line when the second car starts

D) 2 cars are competing in this race

8 0
3 years ago
HHEELLPPL PLLEAASEE !!!! I GIVE BRAINLIEST!!!
Leokris [45]
Answer:
y-intercept is 10
slope of line is 7

Explanation:
The general form of the linear equation is:
y = mx + c
where:
m is the slope
c is the y-intercept

Now, the given equation is:
y = 7x + 10

Comparing the given equation with the general form, we will find that:
m = 7 .............> This means that the slope of the line is 7
c = 10 ............> This means that the y-intercept is 10

Now, the y-intercept here means that the initial number of points at time = 0 (x=0) is 10 points.

The slope here means that the rate increases by 7 points each second

Hope this helps :)
8 0
3 years ago
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Can i get help?
8090 [49]

Answer:

Hi,

Step-by-step explanation:

Using Thales 's theorem:

7 0
2 years ago
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