For questions 8 to 11 : Buy one soft drink every day for a week (7 days) during

Question

For questions 8 to 11:
Buy one soft drink every day for a week (7 days) during the annual Monopoly promotion at McDonald's. Each soft drink has a sticker on the cup that the customer checks to see if they have won a prize. It is known that one in five cups (20%) are winners.
X = number of times in one week that you win

Question 8 (0.25 points)

There are a fixed number of trials, n.

Question 8 options:

Question 9 (0.25 points)

Each trial can be categorized as being either a success or a failure (two outcomes), and X counts the number of successes.

Question 9 options:

Question 10 (0.25 points)

The probability of success p stays the same from trial to trial.

Question 10 options:

Question 11 (0.25 points)

Trials are independent of each other (that is, success or failure on one trial doesn't affect the probability of success or failure on any other trial).

Question 11 options:

Information

For questions 12 to 15:
You roll three fair dice -- one with seven sides (numbered 1 to 7), one with eight sides (numbered 1 to 8), and one with nine sides (numbered 1 to 9).
X = number of dice showing odd numbers facing up.

Question 12 (0.25 points)

There are a fixed number of trials, n.

Question 12 options:

Question 13 (0.25 points)

Each trial can be categorized as being either a success or a failure (two outcomes), and X counts the number of successes.

Question 13 options:

Question 14 (0.25 points)

The probability of success p stays the same from trial to trial.

Question 14 options:

Question 15 (0.25 points)

Trials are independent of each other (that is, success or failure on one trial doesn't affect the probability of success or failure on any other trial).

Question 15 options:

Information

For questions 16 to 19:
Weights of apples sold in a grocery store follow a normal distribution with mean 150 grams and standard deviation 20 grams. You take a random sample of five apples.
X = number of apples heavier than 175 grams.

Question 16 (0.25 points)

There are a fixed number of trials, n.

Question 16 options:

Question 17 (0.25 points)

Each trial can be categorized as being either a success or a failure (two outcomes), and X counts the number of successes.

Question 17 options:

Question 18 (0.25 points)

The probability of success p stays the same from trial to trial.

Question 19

Trials are independent of each other (that is, success or failure on one trial doesn't affect the probability of success or failure on any other trial).

Question 19 options:

Explanation / Answer

8.Yes here n is constant . True

9.Winners or Losers so only two outcomes. True

10. p remains same for all as it is 0.2. True

11. As not any events are depending on previous one so yes it is independent. True

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