exam
Maths Puzzle
Numerical Ability
if n = 105 (# of houses)
sample mean price of house is = x = 221,000.00
z = 1.96 for confidence interval of 95%
how do i calculate the confidence levels?
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exam Other Question
Which of the following pair of points is indicative of a zero per the Intermediate Value Theorem?
a. (0,0) and (2,-3)
b. (-2,-3) and (2,3)
c. (2,0) and (0,-3)
d. (3,-4) and (-6,12)
A retailer has some vidio games that cost her #25 each. She wants to sel them at a profit od 80% of the cost. What price should she charge fo rthe video games?