Abag contains 4 black, 5 red, and 6 pink balls. if 3 balls are selected one after the other without replacement, what is the probability that 3 red balls are chosen? a. dependent; 2/91 b. dependent; 91/2 c. dependent; 2/35 d. independent; 2/21

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?