# Quiz | Mathematics homework help

This is the 10 scrutinys of the quiz:

The EPA privileges that fluoride in children's drinking introduce should be at a average smooth of hither than 1.2 ppm, or accommodation per favorite, to subjugate the enumerate of dental cavities. Identify the Type I fallacy. (Points : 1)

Medical researchers reviewing the lavish of demise for elderly patients vestibule dementia drugs base the aftercited postulates. Affect a .05 import smooth for examinationing the privilege that the proportions are not resembling. Also, affect the two rudimentary unpremeditated samples are dogged and that the provisions np ≥ 5 and nq ≥ 5 are pleased.

 Dementia Drugs Placebo Number of patients 500 450 Total demises 23 12

Find the z examination statistic. Give your reply delay two decimals, e.g., 9.87 . (Points : 0.5)

Use a .05 import smooth and the observed frequencies of 144 drownings at the beaches of a unpremeditatedly separated coastal say to examination the privilege that the enumerate of drownings for each month is resemblingly likely.

 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 1 3 2 7 14 20 37 33 16 6 2 3

Do you decline the ineffectual theory, at the .05 import smooth? Enter Y for yes (reject), N for no (trip to decline). (Points : 0.5)

 Immune Modulator Cream
 Cure No Cure Topical Steroid Cure 25 11 Cream No Cure 42 22

Use the aftercited technology show from a Two-Way ANOVA to reply this scrutiny. Biologists studying habitat use in Lepidopteran moths measured the enumerate of savannah moths base at three unpremeditatedly separated prairie footings delay two virtual habitat interferences (disquisition of row crops and grazing). Use a .05 import smooth.

 Source Df SS MS F P Site 2 .1905 .0952 .0381 .9627 Habitat 1 304.0238 304.0238 121.6095 .0000 Site*Habitat 2 .1905 .0952 .0381 .9627

What is the compute of the F examination statistic for the footing property? (Points : 0.5)       [removed]