Mathematics, 13.12.2019 18:31 nook4boo
Acarpet company advertises that it will deliver your carpet within 15 days of purchase. a sample of 49 past customers is taken. the average delivery time in the sample was 16.2 days. assume the population standard deviation is known to be 5.6 days.
a. state the null and alternative hypotheses.
b. using a critical value, test the null hypothesis at the 5% level of significance.
c. using a p-value, test the hypothesis at the 5% level of significance.
d. what type of error may have been committed for this hypothesis test
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Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.
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If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32
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Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed
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Acarpet company advertises that it will deliver your carpet within 15 days of purchase. a sample of...
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