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AVprozaik [17]
2 years ago
8

The function q(w) = 3+5(w-1) represents the number of quarters in a bowl on week w. What does the value 5 represent in the situa

tion?
A. There were 5 quarters in the bowl on week 1.

B. The value of the quarters in the bowl on week 1 was &5.

C. Five quarters are added to the bowl every week

D. Quarters were added to his bowl for 5 weeks
Mathematics
1 answer:
Zepler [3.9K]2 years ago
6 0
The value of quarters in the bowl on week 1 was &5
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At a university, 12% of students smoke. Calculate the expected number of smokers in a random sample of 140 students from this un
Masteriza [31]

Answer:

a) The expected number of smokers in a random sample of 140 students from this university is 16.8 smokers.

b) No, it is unlikely that smoking habits and waking up early to go to the gym on Saturday are independent.

Step-by-step explanation:

To calculate the expected numbers of smokers in a sample with size n=140 and proportion p=12%, we use the expected value of the binomial distribution:

E(x)=n\cdot p=140\cdot 0.12=16.8

The expected number of smokers in a random sample of 140 students from this university is 16.8 smokers.

If we take a sample at the opening of the gym, the sample is not expected to be representative of the population of the students. Most of the students that go to the gym usually have healthy habits, so the proportions of smokers is expected to be lower than the average of the university population.

4 0
2 years ago
A company has actual unit demand for four consecutive years of 100, 105, 135, and 150. The respective forecasts were 120 for all
Lubov Fominskaja [6]

Answer:

c. 20

Step-by-step explanation:

Calculation to determine Which of the following is the resulting MAD value that can be computed from this data

Using this formula

MAD= [ABS( Year 1 actual unit demand - Forecast) + ABS (Year 2 actual unit demand - Forecast) + ABS (Year 3 actual unit demand - Forecast) + ABS (Year 4 actual unit demand - Forecast)]/ Number of years

Let plug in the formula

MAD = [ABS(100 - 120) + ABS (105 - 120) + ABS (135 - 120) + ABS (150 - 120)]/4

MAD =(ABS 20) + (ABS 15) + (ABS 15) + (ABS 30)/4

MAD= 80/4

MAD=20

Therefore the resulting MAD value that can be computed from this data is 20

8 0
3 years ago
What is the solution in both interval and graph form of "x>2 or x>-1"?​
tangare [24]

Answer:

Step-by-step explanation:

2>-1

so solution is x>2

6 0
3 years ago
Solve for q: 30 + q=43​
dsp73

Answer

43 hope it helps

5 0
2 years ago
Which of the following is true about a line? It has one endpoint. It has two endpoints. It has two dimensions. It has one dimens
34kurt
It has one dimension
4 0
3 years ago
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