Mathematics, 20.06.2021 09:10, nisha87
CNNBC recently reported that the mean annual cost of auto insurance is 1049 dollars. Assume the
standard deviation is 275 dollars. You take a simple random sample of 72 auto insurance policies.
Find the probability that a single randomly selected value is less than 962 dollars.
PIX < 962) =
Find the probability that a sample of size n = 72 is randomly selected with a mean less than 962
dollars.
PCM <962) =
Enter your answers as numbers accurate to 4 decimal places.
Answers: 2
Mathematics, 21.06.2019 14:30, chintiffany4779
Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.
Answers: 3
Mathematics, 22.06.2019 00:20, destinyd10189
Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer
Answers: 2
Mathematics, 22.06.2019 01:00, sierraseideman1023
X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20
Answers: 3
CNNBC recently reported that the mean annual cost of auto insurance is 1049 dollars. Assume the
sta...
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