Geometric Random Variables Answers

Marshall spins a prize wheel with 4 segments of equal size, one of which is labeled “winner.” Let X = the number of spins until Marshall wins a prize.

✔ win, do not winspin, do not spinwin on the first try, do not win on first try

✔ yesno

✔ yesno

no✔ yes, p = 0.25yes, p = 0.5yes, p = 0.333

Eighteen percent of apples grown in an orchard have defects. Let X = the number of apples that are randomly inspected from the orchard until a defective one is found.

✔ defect, no defect18 percent, 82 percentapple, not an apple

✔ yesno

✔ yesno

no✔ yes, p = 0.18yes, p = 0.50yes, p = 0.82

Question text not available

Five percent of canned goods get bumps or dents in the cans during manufacturing. Let X = the number of cans that are inspected before one with a bump or dent is found.

0.4 1.414 4.359 ✔ 19.494

Carlos draws cards from a standard deck of cards, replacing the card each time and shuffling until he draws a red card. Let X = the number of red cards drawn within the first 10 draws.

Eighteen percent of apples grown in an orchard have defects. Let X = the number of apples that are randomly inspected from the orchard until a defective one is found.What is the probability that the first defective apple found is the 10th one inspected?Round to 2 decimal places.

Question text not available

0.14260.18550.8145✔ 0.8574

Forty-five percent of customers at a grocery store use a coupon. Let X = the number of customers selected at random before one is found who will use a coupon.

✔ red, not reddraw, do not drawget 10 reds, do not get 10 reds

Question text not available