Mathematics, 13.07.2019 14:00, smonahan2023
In a random sample of 28 families, the average weekly food expense was $95.60 with a standard deviation of $22.50. determine whether a normal distribution or a t-distribution should be used or whether neither of these can be used to construct a confidence interval. assume the distribution of weekly food expenses is normally shaped. a. cannot use normal distribution or t-distribution. b. use the t-distribution. c. use normal distribution.
Answers: 1
Mathematics, 21.06.2019 16:00, floressavanna15
Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)
Answers: 1
Mathematics, 21.06.2019 20:30, amandaaaa13
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 1
In a random sample of 28 families, the average weekly food expense was $95.60 with a standard deviat...
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