Binomial or Geometric?

A set of 20 cards consists of 10 purple cards and 10 green cards.  If you randomly pick a card after shuffling them and replace the card each time and wait until you get your first purple, what distribution is it

• binomial

• geometric

• neither
• normal distribution

A set of 20 cards consists of 10 purple cards and 10 green cards.  If you pick 7 cards at random without replacement what is the probability that you will get 3 purple cards out of the 7. 

• none

• binomial

• geometric

If we want to calculate the probability of rolling a 6 for the first time on the 6^th roll of a die, would we use the geometric or the binomial distribution?

• geometric

• binomial

Tags

CCSS.HSF.BF.A.2

When rolling a fair die 100 times, what is the probability of rolling a "4" exactly 25 times? Is this an example of binomial or geometric?

• binomial

• geometric

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

Tags

CCSS.8.EE.C.8C

counts the number of successes in a fix number of trails. X = 0,1,2,3,…,n

• Geometric

• Binomial

• Both

• Neither

counts the number of trials needed to obtain the 1st success. X = 1,2,3,…

• Geometric

• Binomial

• Both

• Neither

Tags

CCSS.HSF.BF.A.2

Each observation falls into one of two categories: “success” or “failure”

• Geometric

• Binomial

• Both

• Neither

A restaurant offers a game piece with each meal to win coupons for free food. The probability of a game piece winning is 1out of 4 and is independent of other game pieces winning. A family orders 4 meals. Let C be the number of coupons the family wins.

What type of variable is C?

• Geometric

• Binomial

• Both

• Neither