Mathematics, 09.04.2020 23:33 jjmo
In one community, a random sample of 2525 foreclosed homes sold for an average of $443,934 with a standard deviation of $195,364.
a) What assumptions and conditions must be checked before finding a confidence interval for the mean? How would you check them?
b) Find a 95% confidence interval for the mean value per home.
c) Interpret this interval and explain what 95% confidence means.
d) Suppose nationally, the average foreclosed home sold for $488,000. Do you think the average sale price in the sampled community differs significantly from the national average? Explain
Answers: 3
Mathematics, 21.06.2019 13:00
What is the equation of the graph that represents f(x)=x^4 stretched vertically by 2 and shifted up 3 spaces
Answers: 1
Mathematics, 21.06.2019 15:30
The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object
Answers: 3
Mathematics, 21.06.2019 21:20
An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.
Answers: 2
In one community, a random sample of 2525 foreclosed homes sold for an average of $443,934 with a st...
Mathematics, 26.07.2019 10:30
Mathematics, 26.07.2019 10:30
Mathematics, 26.07.2019 10:30
Mathematics, 26.07.2019 10:30
Mathematics, 26.07.2019 10:30
Biology, 26.07.2019 10:30
History, 26.07.2019 10:30
History, 26.07.2019 10:30