Geometry Module 5 Review

A coin jar contains the coins shown in the table. Suppose you pick one coin at random, do not replace it, and then pick another coin. What is the probability that the first coin is a dime and the second coin is worth at least 5¢?

Jason works as a salesman at an appliance retailer. He is able to successfully close a sale with 40% of the customers he meets. What is the probability that Jason will close a sale with the next 2 customers he meets?

• 4%

• 8%

• 16%

• 40%

Which expression has a value of 720? Select all that apply.

Six friends are dancing  at a wedding reception. In how many ways can the friends be arranged to dance with each other?

• 5040 ways

• 1680 ways

• 720 ways

• 560 ways

The dartboard shown is a square inscribed inside a square. The vertices of the square that represents the shaded scoring zone bisect the 4 sides of the larger square. What is the probability that a dart will hit the shaded scoring area of the dartboard?

• 0.375

• 0.4

• 0.5

• 0.625

Tags

CCSS.HSG.MG.A.2

How many different 5-letter words can be formed using the letters from the word FLOOR?

• 25 words

• 60 words

• 50 words

• 120 words

The two-way frequency table shows the results of a survey about students in Molly’s grade. Which statement is true? Select all that apply.

• The probability that a student plays school sports or is a member of a school club is 44.7%

• The probability that a student does not play sports is the same as the probability that a student is not a member of a school club.

• The probability that a student is not a member of a school club of does not play sports is 18.7%

• The relative frequency of students that are members of school clubs but do not play school sports is 0.146.

Tags

CCSS.8.SP.A.4

Juli wants to see the tigers (T), the lions (L), and the bears(B) during her afternoon visit to a zoo. She plans to randomly choose the order for her visit. What is the sample space for the probability of any certain order?

• T, L, B

• TL, LB, BT

• TL, TB, LT, LB, BT, BL

• TLB, TBL, LTB, LBT, BTL, BLT

Tags

CCSS.7.SP.C.8B

Which describes independent events from disjoint sets? Select all that apply.

• A math class has 25 students. The teacher randomly chooses 2 students. You want to know the probability that one of the two students will be female.

• Lunch includes your choice of salad and your choice of vegetables. You want to know the probability of choosing a house salad and broccoli as your vegetable.

• You roll a number cube and spin a spinner. You want to know the probability of rolling a 4 and spinning a Z.

• A bag contains red, green, and blue marbles. You randomly draw 2 marbles at the same time and want to know the probability that either marble if red.

Tags

CCSS.HSS.CP.A.5

Ricardo randomly chooses a block from each of the two groups shown in the figure. What is the probability that he will choose a K from the first group and a U from the second group?