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Fofino [41]
3 years ago
8

A car insurance company suspects that the younger the driver is, the more reckless a driver he/she is. They take a survey and gr

oup their respondents based on age. Of 217 respondents between the ages of 16-25 (Group 1), 176 claimed to wear a seat belt at all times. Of 398 respondents who were 26+ years old (Group 2), 305 claimed to wear a seat belt at all times. Find a 95% confidence interval for the difference in proportions. Can it be concluded that there is a difference in the proportion of drivers who wear a seat belt at all times based on age group? Enter the confidence interval - round to 3 decimal places
Mathematics
1 answer:
allsm [11]3 years ago
5 0

Answer:

Less group age have more interest than other group

Step-by-step explanation:

All human have interest to learn more but old age already have learned

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An M&Ms factory produces 109,500,000 M&M’s every day. About 1/5 of its M&Ms are yellow. Find the number of yellow M&
densk [106]

Answer:

It's not possible to answer precisely. About 1/5 of 109,500,000 is equal to about 109,500,000*.2 which is about 21,900,000.

Step-by-step explanation:

The first thing to note is that the amount of yellow M&Ms isn't precisely 1/5th. It's about 1/5th.

So, applying the math, 109,500,000 times 1 and divided by 5 = 21,900,000, but that's not the answer, because of the uncertainty.

The answer has to be "about 21,900,000."

7 0
2 years ago
3 + 4x - 2x, when x = 0.5​
IgorLugansk [536]
Replace x with 0.5
3+4(0.5)-2(0.5)
Now multiply
3+2-1
5-1
Answer: 4
8 0
3 years ago
Read 2 more answers
If the side ratio is 9:12, then the volume ratio is
Reika [66]
I think it’s D because the ratio
5 0
3 years ago
Paris bought a variety box of oatmeal. In the box were 4 brown sugar cinnamon packets, 2 apple cinnamon packets, 6 maple brown s
My name is Ann [436]

Answer:

25%

Step-by-step explanation:

All together there are 16 packets

4 of these are brown sugar cinnamon

4/16 = 1/4

6 0
3 years ago
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Let f(x)=6−1x+15x^2. Calculate the following values:
jekas [21]

Answer:

Step-by-step explanation:

To find f(a), replace x with a:  f(a)=6−1a+15a^2

To find f(a+h), replace x with (a+h):  f(a+h) = 6 -(a + h) + 15(a+h)^2

To find f(a+h)−f(a), expand f(a+h) as given above, and then subtract f(a):

f(a+h)−f(a) = 6 -a - h + 15(a^2 + 2ah + h^2)   -   [6 - a + 15a^2]

                   6 - a - h + 15a^2 + 30ah + 15h^2  -   [6 - a + 15a^2]

This simplifies to:   f(a+h)−f(a) = - h + 30ah + 15h^2  

7 0
3 years ago
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