AnswersCR CCSS Math 2 S2 M2960OXSolving for Angle Measures of Right Triangles

Probability and Two-Way Tables Answers

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21
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A 5-column table has 4 rows. The first column has entries A, B, C, Total. The second column is labeled X with entries 45, 20, 25, 90. The third column is labeled Y with entries 30, 10, 35, 75. The fourth column is labeled Z with entries 60, 25, 50, 135. The fifth column is labeled Total with entries 135, 55 110, 300.

Question illustration
A
C and Y are independent events because P(C∣Y) = P(Y).
B
C and Y are independent events because P(C∣Y) = P(C).
C
C and Y are not independent events because P(C∣Y) ≠ P(Y).
D
C and Y are not independent events because P(C∣Y) ≠ P(C).
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Which statements are true? Select three options.

A
Milk was requested for 16 of the large-sized meal orders.
B
Soda was requested for 280 of the kids’ meal orders.
C
A juice box was requested for 82 of the regular-sized meal orders.
D
Sixty-three of the orders of soda came with a regular-sized meal.
E
A total of 124 large-sized meals were ordered.
23

The two-way table shows the preferred vacation destination for people in different age groups.Which statement is true?

Question illustration
A
The probability that a randomly selected adult chose Hawaii as the preferred destination is .
Option A
B
The probability that a randomly selected person who chose Hawaii as the preferred destination is a teenager is .
Option B
C
The probability that a randomly selected child chose Florida as the preferred destination is .
Option C
D
The probability that a randomly selected person who chose Mexico as the preferred destination is a child is .
Option D
24

A 5-column table has 4 rows. The first column has entries A, B, C, Total. The second column is labeled X with entries 15, 5, 30, 50. The third column is labeled Y with entries 5, 8, 15, 28. The fourth column is labeled Z with entries 10, 7, 5, 22. The fifth column is labeled Total with entries 30, 20, 50, 100.

Question illustration
A
A and X
B
A and Y
C
B and X
D
B and Y
26

For the soccer banquet, the players and their family members selected their favorite main dish and side dish. Of the 39 people who chose chicken as the main dish, 18 wanted potatoes. Of the 32 people who chose rice as a side dish, 6 chose fish as a main dish. A total of 8 people chose a vegetarian meal with potatoes, and a total of 10 people chose fish as their main dish.

A
A 5-column table has 3 rows. The first column has entries Rice, Potatoes, Total. The second column is labeled Chicken with entries 18, 21, 39. The third column is labeled Fish with entries 4, 6, 10. The fourth column is labeled Vegetarian with entries 8, 5, 13. The fifth column is labeled total with entries 30, 32, 62.
Option A
B
A 5-column table has 3 rows. The first column has entries Rice, Potatoes, Total. The second column is labeled Chicken with entries 21, 18, 39. The third column is labeled Fish with entries 6, 4, 10. The fourth column is labeled Vegetarian with entries 5, 8, 13. The fifth column is labeled total with entries 32, 30, 62.
Option B
C
A 5-column table has 3 rows. The first column has entries Rice, Potatoes, Total. The second column is labeled Chicken with entries 14, 18, 32. The third column is labeled Fish with entries 6, 4, 10. The fourth column is labeled Vegetarian with entries 19, 8, 27. The fifth column is labeled total with entries 39, 30, 69.
Option C
D
A 5-column table has 3 rows. The first column has entries Rice, Potatoes, Total. The second column is labeled Chicken with entries 18, 14, 32. The third column is labeled Fish with entries 4, 6, 10. The fourth column is labeled Vegetarian with entries 8, 19, 27. The fifth column is labeled total with entries 30, 39, 69.
Option D

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