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Find the probability that a randomly selected seventh–grade student spends less than $4 a day on food.
A
85% of the seventh–grade students spend more than what amount per day?
D
If one student is randomly chosen, what is the probability that the student does intermediate algebra homework at least 2 hours per day?
C
60% of these students spend at most how many hours doing their homework?
A
Find the probability that the weight of supplies carried by one randomly chosen llama is between 60 and 70 pounds.
B
The middle 50% of weights of supplies carried by a randomly chosen llama is between _____ and _____.
B
Which of the following are true for the normal distribution?
A
Find the probability that the randomly selected student sleeps less than 8 1/2 hours per night.
D
Find the probability that the randomly selected student sleeps eight to twelve hours per night.
C
On average, how long does a junior high school student sleep per night?
B
On average, how long does a junior high school student sleep per night?
D
We are interested in the probability that a randomly selected student sleeps less than eight hours, knowing that he/she sleeps less than ten. Which graph best depicts this situation?
C
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