The number of ants per acre in the forest is normally distributed with mean 42,000 and standard deviation 12,314. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. Find the probability that a randomly selected acre in the forest has fewer than 54,231 ants. c. Find the probability that a randomly selected acre has between 45,643 and 54,588 ants. d. Find the first quartile. ants (round your answer to a whole number) Hint:

The Ahmadi Corporation wants to increase the productivity of its line workers. Four different programs have been suggested to help increase productivity. Twenty employees, making up a sample, have been randomly assigned to one of the four programs and their output for a day's work has been recorded. You are given the results below. At 95% confidence, conduct the ANOVA test to determine whether there is a significant difference in the mean output under the four programs. Program A Program B Program C Program D 150 150 185 175 130 120 120 135 180 160 145 110 Part of the ANOVA table is shown below. Source of Variation Sum of Squares 8,750 Between Groups Within Groups 16,350 Total 220 190 180 175 d.f. 19 150 120 130 175 Mean Square

Round Round 3 100 MODE. to the nearest tenth place. to the nearest ten-thousandths place. V QUESTION 14 Choose to compare the decimals. -2.6 QUESTION 15 Click Save and Submit to save and submit. Click Save Al

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