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Alisiya [41]
4 years ago
7

Suppose a population has a mean of 400 and a standard deviation of 24. if a random sample of size 144 is drawn from the populati

on, the probability of drawing a sample with a mean between 395.5 and 404.5 is _______.
Mathematics
1 answer:
Goryan [66]4 years ago
5 0
The answer I think is D.
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Please help my brain is fried at the moment but I need to get this done ASAP!
Leviafan [203]

Answer:

3^34^4

Step-by-step explanation:

Since you multiply 3 by itself 3 times, that becomes 3^3 and since you multiply 4 by itself 3 times, that becomes 4^3.

The final product is 3^34^4.

6 0
3 years ago
A car travels 182 miles in 3 hours and 15 minutes. How many miles does it travel per hour?
timofeeve [1]
57 miles about I'm not positive but I think this is right
6 0
4 years ago
State the range of the relation
Finger [1]

The range of the given relation is D. R = {-1, 3, 5, 8}.

Step-by-step explanation:

Step 1:

The range of a relation is the second set of values while the domain constitutes the first set of values.

There are 4 given relations with two sets of values so there would be 4 domain values and 4 range values.

Step 2:

The range of (1, -1) = -1,

The range of (2, 3) = 3,

The range of (3, 5) = 5,

The range of (4, 8) = 8.

Combining these values we get the range as {-1, 3, 5, 8} which is option D.

3 0
4 years ago
Write a standard form of a quadratic equation that has roots - 5/2 and 3.
lora16 [44]

Answer:

2x^2 - x - 15 = 0.

Step-by-step explanation:

In factor form this is

(x + 5/2)(x - 3) = 0

x^2 + 5/2x - 3x  - 15/2 = 0

x^2 - 1/2x - 15/2 = 0

Multiply through by 2:

2x^2 - x - 15 = 0.

6 0
3 years ago
The length of a rectangle is 9 inches more than the width. The perimeter is 38 inches. Find the length and the width (in inches)
andrew11 [14]

Answer:12

Step-by-step explanation:

7 0
4 years ago
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