AnswersGeometryProbability and Two-Way Tables

Probability and Two-Way Tables — Quiz Answers

10 verified answers2 views
1
Free Preview

Which statements are true? Choose three correct answers.

A
Sixty-three of the orders of soda came with a regular-sized meal.
B
A total of 124 large-sized meals were ordered.
C
A juice box was requested for 82 of the regular-sized meal orders.
D
Milk was requested for 16 of the large-sized meal orders.
E
Soda was requested for 280 of the kids’ meal orders.
3

Which statement is true about whether cap A and cap b are independent events?

A
cap A and cap b are independent events because cap p times open paren cap A divides cap b close paren is equal to cap p times cap A .
B
cap A and cap b are not independent events because cap p times open paren cap A divides cap b close paren is not equal to cap p times cap A .
C
cap A and cap b are not independent events because cap p times open paren cap A divides cap b close paren is not equal to cap p times cap b .
D
cap A and cap b are independent events because cap p times open paren cap A divides cap b close paren is equal to cap p times cap b .
4

Which statement is true about whether C and Y are independent events?

A
C and Y are not independent events because P times open paren C divides Y close paren is not equal to P times Y .
B
C and Y are not independent events because P times open paren C divides Y close paren is not equal to P times C .
C
C and Y are independent events because P times open paren C divides Y close paren is equal to P times Y .
D
C and Y are independent events because P times open paren C divides Y close paren is equal to P times C .
5

Which statement is true about whether cap A and cap b are independent events?

A
cap A and cap b are independent events because cap p times open paren cap A divides cap b close paren is equal to cap p times cap A is equal to 0 point 1 2 .
B
cap A and cap b are not independent events because cap p times open paren cap A divides cap b close paren is equal to 0 point 1 2 and cap p times cap A is equal to 0 point 2 5 .
C
cap A and cap b are not independent events because cap p times open paren cap A divides cap b close paren is equal to 0 point 3 7 5 and cap p times cap A is equal to 0 point 2 5 .
D
cap A and cap b are independent events because cap p times open paren cap A divides cap b close paren is equal to cap p times cap A is equal to 0 point 2 5 .
6

Which two events are independent?

A
A and X
B
B and X
C
B and Y
D
A and Y
8

Which two events are independent?

A
B and D
B
B and C
C
A and D
D
A and C
9

Which statement must be true?

A
Out of the 511 boys at the school, 150 of them are tenth graders.
B
Out of the 523 tenth graders at the school, 173 of them are boys.
C
Out of the 352 eleventh graders at the school, 173 of them are girls.
D
Out of the 376 girls at the school, 182 of them are eleventh graders.
10

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. Which two-way table correctly displays this data?

A
Table with 5 columns and 4 rows.Row 1: Column 1, empty; Column 2, 'Chicken'; Column 3, 'Fish'; Column 4, 'Vegetarian'; Column 5, 'Total' Row 2: Column 1, 'Rice'; Column 2, '18'; Column 3, '4'; Column 4, '8'; Column 5, '30' Row 3: Column 1, 'Potatoes'; Column 2, '21'; Column 3, '6'; Column 4, '5'; Column 5, '32' Row 4: Column 1, 'Total'; Column 2, '39'; Column 3, '10'; Column 4, '13'; Column 5, '62'
B
Table with 5 columns and 4 rows.Row 1: Column 1, empty; Column 2, 'Chicken'; Column 3, 'Fish'; Column 4, 'Vegetarian'; Column 5, 'Total' Row 2: Column 1, 'Rice'; Column 2, '21'; Column 3, '6'; Column 4, '5'; Column 5, '32' Row 3: Column 1, 'Potatoes'; Column 2, '18'; Column 3, '4'; Column 4, '8'; Column 5, '30' Row 4: Column 1, 'Total'; Column 2, '39'; Column 3, '10'; Column 4, '13'; Column 5, '62'
C
Table with 5 columns and 4 rows.Row 1: Column 1, empty; Column 2, 'Chicken'; Column 3, 'Fish'; Column 4, 'Vegetarian'; Column 5, 'Total' Row 2: Column 1, 'Rice'; Column 2, '18'; Column 3, '4'; Column 4, '8'; Column 5, '30' Row 3: Column 1, 'Potatoes'; Column 2, '14'; Column 3, '6'; Column 4, '19'; Column 5, '39' Row 4: Column 1, 'Total'; Column 2, '32'; Column 3, '10'; Column 4, '27'; Column 5, '69'
D
Table with 5 columns and 4 rows.Row 1: Column 1, empty; Column 2, 'Chicken'; Column 3, 'Fish'; Column 4, 'Vegetarian'; Column 5, 'Total' Row 2: Column 1, 'Rice'; Column 2, '14'; Column 3, '6'; Column 4, '19'; Column 5, '39' Row 3: Column 1, 'Potatoes'; Column 2, '18'; Column 3, '4'; Column 4, '8'; Column 5, '30' Row 4: Column 1, 'Total'; Column 2, '32'; Column 3, '10'; Column 4, '27'; Column 5, '69'

Did you find these answers helpful?