Directions: Use the scenarios presented in the following sections to answer the corresponding questions. All vork must be shown and decimals should be rounded to four decimal places. (ie, 3.1459) One hundred insects of a particular species were put in a chamber and exposed to an insecticide for 15 seconds. The procedure was applied for each of 5 insecticides. Insecticides A and C contained a higher concentration of ydrogen cyanide. Insecticide D contained a higher concentration of nicotine. And Insecticides B and E ontained a higher concentration of methyl bromide. In addition to the concentrations, Insecticides A and E vere made in Iowa, while Insecticides B and C were made in Kansas. Insecticide A B C D E 85 90 93 98 92 82 92 94 98 94 83 90 96 100 91 88 91 95 97 93 89 93 96 96 93 92 81 94 99 95 Use the appropriate statistical procedure to determine whether the effectiveness of the insecticide changes with respect to insecticide. Use a = 0.05.

#6) You use 2,500 incandescent holiday lights to decorate your apartment in Huntington. When turned on, the combined power of those lights is 1200 Watts. The electricity cost around is 6.40 cents per kilo- Watt-hour. How much is the total cost of electricity for the lights if you operate the 2,500 incandescent holiday lights for 24 hours per days for 50 days? Report your answer with the proper number of sig figs and rounding. Show all conversions. Express answer to 3 sig figs. Report answer in dollars.

The value of SSR can never be larger than: Which?      SST.      0.0.      1.0.     400.     SSE.

according to the department of cars ,trucks , and light duty trucks are driven on an average of about 12,000miles per year,and consume  on an average roughly 700 gallons of gas. A. What is the average  fuel economy in miles per gallon obtained by these vehicles? B.How meny gallons of gas would the average vehicle save each year if average fuel economy increased by 4 miles per gallon? C Assuming that 21.9 pounds of CO2 are emitted for every gallon of gas consumed, how meny fewer pounds of CO2 would the average vehicle emit annually with a 4 miles per gallon increase in fule economy?

nicotine is a poisonous, addictive compound found in tobacco. A sample of nicotine contains 4.12 mole of C, 6.51 mole of H, and 1.13 mole of N. What is the empirical formula?