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# Knowledge practice problems more help pretty please??

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Trying to wrap my head around these and have to get them done or ill just fail.

1.

Select Not independent or Independent for each situation.

A spinner is divided into three equally sized sections. The spinner is spun three times.

A number cube is rolled twice.

A bag contains 8 white balls and 3 yellow balls. Two balls are selected from the bag without replacement.

2.

Select Yes or No to state whether each data set is likely to be normally distributed.

average age of an elephant at a zoo

number of elephants at the San Diego Zoo

number of daily visitors at the San Diego Zoo

3.

The graph show the probability distribution of a random variable.

What is the value of P(4≤X≤8)?

0.40

0.45

0.50

0.55

May 27, 2019

#1
+109560
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1.

Select Not independent or Independent for each situation.

A spinner is divided into three equally sized sections. The spinner is spun three times. = Independent

A number cube is rolled twice. = Independent

A bag contains 8 white balls and 3 yellow balls. Two balls are selected from the bag without replacement. = Not Independent

May 27, 2019
#2
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One question per post thanks.

Post the other three seperately and then delete them from this question.

May 28, 2019