Mathematics, 08.11.2019 05:31 princesincer9256
Asample of 16 families was drawn for analysis of the average grocery spending. assume that the individual weekly records are normally distributed, with the unknown population average and unknown population standard deviation. sample summaries were: (sample mean) = $154 and (sample standard deviation) = $40. do you have sufficient evidence that the population average would be below $172? use the significance level of 10%.
Answers: 1
Mathematics, 21.06.2019 18:30
The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125
Answers: 2
Mathematics, 21.06.2019 21:50
Which is the graph of this function 3 square root of x plus one if
Answers: 1
Asample of 16 families was drawn for analysis of the average grocery spending. assume that the indiv...
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