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hammer [34]
3 years ago
5

The average cost per car crash in Thousand Oaks was $1,599 in 2014. Suppose this average cost was based on a sample of 50 person

s who had been involved in car crashes and that the population standard deviation was $600. Calculate the margin of error for a 92% confidence interval.
Mathematics
1 answer:
artcher [175]3 years ago
5 0
Ok so djdmdjdjfndjdjdjdjdmdd dmdmdd
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<img src="https://tex.z-dn.net/?f=5xy%20%7B%20-%20x%7D%20%5E%7B2%7D%20%7Bt%7D%20%20%2B%202xy%20%2B%203x%20%7B%7D%5E%7B2%7D%20t"
fenix001 [56]

Answer: 7xy + 2x^2t

Step-by-step explanation:

6 0
1 year ago
Tony wants to buy a ticket for $15.75. He has $9.25. At least how much money do you earn to buy the ticket?
kogti [31]

Answer:

6.50

Step-by-step explanation:

15.75-9.25=6.5

5 0
3 years ago
Which are the solutions of the quadratic equation?
aivan3 [116]
So here just plug values into the quadratic formula x= -b+- sqr b^2-4ac / 2a
6 0
2 years ago
Read 2 more answers
Irene has a DRF of 1.25 and a 6-month basic rate of $650. What is her annual premium? A. $812.50 B. $1625 C. $1400 D. $1500
Kaylis [27]
B I think could be wrong
8 0
2 years ago
Read 2 more answers
A tourist drives 70 miles along a scenic highway and then takes a 7-mile walk along a hiking trail. The average velocity driving
san4es73 [151]

Answer: T=\frac{17}{x}

Step-by-step explanation:

The formula we need to use is:

time=\frac{distance}{velocity}

We know that "T" is the total time for driving and hiking and "x" is the average velocity on the hike.

Knowing that the tourist drives 70 miles along the scenic highway and walk 7-mile walk along the hiking trail, and also knowing that the average velocity driving is 7 times that while hiking, we can conclude that  the total time is:

T=\frac{70}{7x}+\frac{7}{x}

Finally, simplifying the equation, we get that  the total time for driving and hiking as a function of the average velocity on the hike, is:

T=\frac{10}{x}+\frac{7}{x}\\\\T=\frac{10+7}{x} \\\\T=\frac{17}{x}

8 0
3 years ago
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