Chapter 6. 3) A student takes a multiple-choice test that has 10 questions. Each question has five choices. The student guesses randomly at each answer. Round the answers to three decimal places. (a) Find P(2). out (b) Find P(More than 3). Dentel H-POLYMER SUPER 0.7mmB 50 Black Lead

A population has SS = 100 and σ2 = 5.  How many scores are in the population? a. 25 b. 20 c. 200 d. 400

(07.04 LC) Mellie is conducting a test on mold spores on bread. She uses 6 slices of bread to compare two strains of mold. She applies one strain to the left side of the bread and one strain to the right side. She flips a coin to decide which strain goes on the right side of the bread. The mold spores that appear on each side are counted and she records them in a table. Bread Number of Spots for Strain 1 Number of Spots for Strain 2 1 30 19 2 21 17 3 15 15 4 13 12 5 6 9. 6 8 4 If Mellie is to perform an appropriate t-test to determine if there is a mean difference between the number of spots per piece of bread produced by the two strains, how many degrees of freedom should she use? 4 10 12 5

There are 3 red balls, 5 blue and 6 green balls. The ratio of green to red balls is ___________. a. 6:3 b. 3:14 c. 6: 14 d. 3:6