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allsm [11]
2 years ago
9

Car insurance companies want to keep track of the average cost per claim. The current data in use for Auto Insurance R Us is an

average of $2,200 for each claim with a standard deviation of $500. With this average, the company can stay competitive with rates but not lose money. However, the statistician for the company believes that the cost of the average claim has increased. He pulled 40 recent claims and found the average to be $2,350. Which most restrictive level of significance would suggest that the company should raise rates
Mathematics
1 answer:
anygoal [31]2 years ago
6 0

Answer:

The answer is 5%

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What’s the volume of the rectangular prism of 2cm, 7/3 cm and 2cm?
Eduardwww [97]

Answer:

9 1/3 cm³

Step-by-step explanation:

First multiply two numbers.

2x2=4

Then multiply the product by the third number.

4x7/3

4  x   7

1   x   3

= 28/3 or 9 1/3

--

hope it helps

3 0
3 years ago
Can someone help me with this please :)
lorasvet [3.4K]

Answer:

:)

Step-by-step explanation:

I have no idea in the slightest

8 0
3 years ago
Read 2 more answers
Triangle A B C is shown. Angle A C B is a right angle. The length of hypotenuse A B is 12 centimeters, the length of C B is 9.8
RSB [31]

Answer: We can find angle BAC by using (1) SinA = 9.8/12

(2) CosA = 6.9/12

(3) TanA = 9.8/6.9

Step-by-step explanation: The question indicates that we have a right angled triangle ABC with the right angle at point C (that is, angle ACB is the right angle). Also the three sides have been labeled as AB equals 12 cm, CB equals 9.8 cm and AC equals 6.9 cm. Line AB has been identified as the hypotenuse and angle A (that is, BAC) is the reference angle. If angle A is the reference angle, then line CB facing angle A shall be the opposite side, while line AC is the adjacent (which lies between the reference angle and the right angle). Please see the attached diagram for details.

Having these details available, we can actually find angle A by using any of the three trigonometric ratios, since all three sides are given. Hence,

SinA = opposite/hypotenuse

SinA = 9.8/12

SinA = 0.8167

Checking with your calculator or table of values, A = 54.76 (approximately 55)

Also CosA = adjacent/hypotenuse

CosA = 6.9/12

CosA = 0.5750

Checking with your calculator or table of values A = 54.90 (approximately 55).

Finally TanA = opposite/adjacent

TanA = 9.8/6.9

TanA = 1.4203

Checking with your calculator or table of values A = 54.83 (approximately 55).

3 0
3 years ago
Two buses leave towns 1631km apart at the same time and travel toward each other. one bus travels 17 /kmh slower than the other.
Blababa [14]
Suppose one bus travels at x km/h, the second bus is 17 km/h slower so it is x-17
the first bus travels a total of 7x km, the second bus travels 7(x-17)km, together they travel the total distance of 1631 km
7x + 7(x-17) =1631
7x + 7x -119 =1631
14x=1750

x=125
x-17=108

5 0
3 years ago
The set of integers less than -8
Dmitry_Shevchenko [17]
The answer to your question is <-8 :)
6 0
3 years ago
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