What is Find the probability of the given event.
A bag contains 5 red marbles, 3 blue marbles, and 1 green marble. A randomly drawn marble is not blue.
100
.230
Find the probability of the event.
A die is rolled 18 times and two threes come up.
100
All people like football.
Write a negation for the statement.
Not all people like football.
100
.0080
What is A child rolls a 6-sided die 6 times. What is the probability of the child rolling exactly four fives?
200
.870
A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting the given result.
More than one two
200
120
What is Awards are to be presented to seven people: Jeff, Karen, Lyle, Maria, Norm, Olivia, and Paul. How many different orders are possible for the awards if Karen is to receive the first award and Lyle the last?
200
Everyone likes walking.
Some people don’t like walking.
200
2.8%
What is A basketball player hits her shot 41% of the time. If she takes four shots during a game, what is the probability that she hits all four? Express the answer as a percentage, and round to the nearest tenth (if necessary). You may assume the shots are independent events.
300
.275
Find the probability of the event.
On a hospital floor, 16 patients have a disease with a mortality rate of .1. Two of them die.
300
.130
What is The probability that a radish seed will germinate is .7. The gardener plants 20 seeds and she harvests 16 radishes.
300
She doesn't study and will pass her math test.
Write the negation of the conditional. Use the fact that negation of p -> q is p ∧ ~q.
If she doesn’t study, she won’t pass her math test.
300
.0032
In a certain college, 33% of the physics majors belong to ethnic minorities. Find the probability of the event from a random sample of 10 students who are physics majors.
More than seven belong to an ethnic minority.
400
(1/28)
Assume that two marbles are drawn without replacement from a box with 1 blue, 3 white, 2 green, and 2 red marbles. Find the probability of the indicated result.
Both marbles are green.
400
50%
What is A survey revealed that 27% of people are entertained by reading books, 48% are entertained by watching TV, and 25% are entertained by both books and TV. What is the probability that a person will be entertained by either books or TV? Express the answer as a percentage.
400
Cats aren't lazy and dogs are friendly.
Use De Morgan’s laws to write the negation of the statement.
Cats are lazy or dogs aren’t friendly.
400
.892
In a certain college, 33% of the physics majors belong to ethnic minorities. Find the probability of the event from a random sample of 10 students who are physics majors.
More than one belong to an ethnic minority.
500
.0364
A bag contains 6 cherry, 3 orange and 2 lemon candies. You reach in and take 3 pieces of candy at random. Find the probability.
1 cherry, 2 lemon
500
.410
What is An elevator has 4 passengers and 8 floors. Find the probability that no 2 passengers get off on the same floor considering that it is equally likely that a person will get off at any floor.
500
Not a day late or not a dollar short.
A day late and a dollar short.
500
.402
A die is rolled five times and the number of twos that come up is tallied. Find the probability of getting the indicated result.
Two comes up zero times.