Mathematics, 06.04.2021 09:50 juan2730
Banking fees have received much attention during the recent economic recession as banks look for ways to recover from the crisis a sample of 35 customers paid an average fee of $11.72 per month on their interest-bearing
checking accounts. Assume the population standard deviation is $1.53 Complete parts a and below.
a. Construct a 99% confidence interval to estimate the average fee for the population
The 99% confidence interval has a lower limit of $ I and an upper limit of $
(Round to the nearest cent as needed)
b. What is the margin of error for this interval?
s(Round to the nearest cent as needed)
Answers: 2
Mathematics, 21.06.2019 12:30
Hunter designs two flags for his adventure club. what is the length of the base, x, of the larger flag? enter your answer, as a decimal, in the box.
Answers: 2
Mathematics, 21.06.2019 17:00
Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.
Answers: 2
Mathematics, 21.06.2019 19:30
Now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
Banking fees have received much attention during the recent economic recession as banks look for way...
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