Statistics 6.3 Additional Properties of Binomial Distributions

Find the mean of the probability distribution.

• 85
• 83.2
• 87.1
• 84.4

Tags

CCSS.HSS.MD.A.2

• 50

• 4

• 20

• 10

• 12

• 15

• 10

• 20

• 4.2

• 3.5

• 12.0

• 6.2

If you want to know how many trials you will need before your first success, use the __________ model.

• Geometric

• Binomial

• Normal

• Calculator

If you want a certain number of successes in a set amount of trials, use the ____________ model.

• geometric

• binomial

• normal

• calculato

The owner of a pet store is trying to decide whether to discontinue selling specialty clothes for pets. She suspects that only 4% of the customers buy specialty clothes for their pets. What is the probability that she does NOT sell a garment until the 7th customer? Assume each customer is independent.

• 0.033
• 0.027
• 0.0313
• Not here

Tags

CCSS.HSF.BF.A.2

The owner of a pet store is trying to decide whether to discontinue selling specialty clothes for pets. She suspects that only 4% of the customers buy those clothes. The owner had 275 customers that day. Assuming this was a typical day, what is the mean and standard deviation of customers who buy specialty clothes? 

• 11 customers, give or take 3.25
• 25 customers, give or take 24.5
• 11 customers, give or take 3.32
• Not enough information.

32 percent of beach goers end up with some form of sunburn on any given day. Find the mean of a survey of 75 beach goers.

• 25

• 24

• 2600

• I don't go to the beach

Tags

CCSS.HSS.CP.B.9

32 percent of beach goers end up with some form of sunburn on any given day. Find the standard deviation of a survey of 75 beach goers.

• 16.32

• 17.14

• 4.04

• 24