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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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Use ABC to find the value of cos a. 24/7 7/24 7/25 24/25
ExtremeBDS [4]

Answer:

\frac{24}{25}

Step-by-step explanation:

using the cosine ratio;

\cos(\theta)= \frac{adjacent}{hypotenuse}

From the question, the side of the right angle triangle that is adjacent to the measured <a,(i.e BAC) is AC=24 and the hypotenuse is AB=25

This implies that,

cos(a)= \frac{24}{25}

6 0
3 years ago
An auditorium has 30 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seat
WARRIOR [948]

Answer:

My answer is 1170 but the way I figured out the problem was by listing numbers 1-30. the problem state that the 1st row had 10, 2nd row had 12, and 3rd row had 14 and so forth. So I basically did the same method till I got to 30 and then add up all the numbers which gave me the answer of 1170.

Step-by-step explanation:

8 0
3 years ago
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Erin has 1 7/8 pounds of trail mix. She wants to make 1/12-pound bags of the mix for snacks. How many full bags can she make?
Andreyy89
For this question , you just need to divide 1 7/8 with 1/12

1 7/8 : 1/12

= 15/8  : 1/12

= 15/8 x 12/1

= 22.5 bags.

So i guess she can make around 22 full bags

hope this helps
4 0
3 years ago
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A book has 6 chapters in it, each with the same number of pages. The book also has an introduction that is 8 pages long. The who
VARVARA [1.3K]

Answer:

  • 31 pages

Step-by-step explanation:

Assumed the question is how many pages are in each chapter.

<u>Let it be x:</u>

  • 6x + 8 = 194
  • 6x = 186
  • x = 186/6
  • x = 31
8 0
3 years ago
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Which graph represents solutions of the equation y = x + 2?<br> A<br> B<br> C
lisov135 [29]

Answer:

Which ever graph has points in a line going down by 1,1 and has a y-intercept of 2

Step-by-step explanation:

That's the best answer I can give without a photo :(

(hope this helps!)

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3 years ago
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