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Author Question: Twenty dogs and 20 cats were subjects in an experiment to test the effectiveness of a new flea ... (Read 99 times)

CharlieWard

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on: Jul 25, 2018
Twenty dogs and 20 cats were subjects in an experiment to test the effectiveness of a new flea control chemical.
 
  Ten of the dogs were randomly assigned to an experimental group that wore a collar containing the chemical, while the others wore a similar collar without the chemical. The same was done with the cats. After 30 days veterinarians were asked to inspect the animals for fleas and evidence of flea bites. This experiment is
  A) randomized block, blocked by species
  B) completely randomized with one factor: the type of collar
  C) completely randomized with two factors
  D) completely randomized with one factor: the species of animal
  E) randomized block, blocked by type of collar

Question 2

An appliance store sells both new and used appliances. Fifty percent of the stock is used. Fifty-two percent is used or defective. If 9 of the store's stock is defective, what percentage is both used and defective?
 
  A) 7 B) 11 C) 93 D) 0.07
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emily12345

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Reply #1 on: Jul 25, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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CharlieWard

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Reply 2 on: Jul 25, 2018
:D TYSM

Joy Chen

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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