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noname [10]
3 years ago
13

Jay Olshansky from the University of Chicago was quoted in Chance News as arguing that for the average life expectancy to reach

100, 18% of people would have to live to 120. What standard deviation is he assuming for this statement to make sense? Assume a normal distribution.Group of answer choices35.024.425.221.7
Mathematics
1 answer:
Alex17521 [72]3 years ago
5 0

Answer: 35

Step-by-step explanation:

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A truck is used to transport gravel. The box on the truck is a rectangular prism 11 ft long, 7 ft wide and 4 ft high. The box do
chubhunter [2.5K]

Answer:

308 cubic feet

Step-by-step explanation:

The box on the truck has dimensions 11 ft by 7 ft by 4 ft.

The volume of the box is:

V = L * W * H

V = 11 * 7 * 4

V = 308 cubic feet

The truck can transport 308 cubic feet of gravel.

8 0
3 years ago
Someone help me with this question!
Oksi-84 [34.3K]
The “1/2” caused the parabola to be vertically compressed meaning it got wider.

and the “-2” caused the parabola to move 2 units to the right

Therefore the correct answer should be C.
8 0
3 years ago
A surgical procedure requires choosing among four alternative methodologies. The first can result in five possible outcomes, the
Illusion [34]

Answer:

15 possible outcomes

Step-by-step explanation:

Since each one of these methodologies are not related to one another and they do not need to be chosen in any order or consecutively then the possible outcomes would only need to be added all together to calculate the total possible outcomes. Since each outcome is independent. Therefore,

m1 = 5 outcomes

m2 = 2 outcomes

m3 = 4 outcomes

m4 = 4 outcomes

5 + 2 + 4 + 4 = 15

we can see that there are a total of 15 possible outcomes

4 0
3 years ago
How to find the area of a polygon
ipn [44]
The rectangle is 7 x 4 so the area is 28 sq cm
The triangle has a base of 4 and a height of 3.
The formula is A = 1/2 * b*h
You have 2 triangles so:
2(1/2)*4*3= 12 sq cm
Add together:
28 + 12= 40 sq cm
6 0
3 years ago
Catherina conducted a survey of four school cafeterias to find the number of students who like burgers for lunch. The results of
tensa zangetsu [6.8K]

Answer:

ITs C

Step-by-step explanation: I said c because it is the number of students in the class and who likes burgers.

5 0
3 years ago
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