760 Answered Questions for the topic Probability & Statistics
02/19/15
In how many ways can merchandise be shipped from Dallas to Atlanta using these routes?
Assume that there are 3 routes from Dallas to Los Angeles, 4 routes from Los Angeles to New York, and 5 from New York to Atlanta.
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02/19/15
In how many ways can the student select 7 writing implements? In how many ways can the selection be made if no more than one ball point pen is selected?
Assume that the student has a cup with 13 writing implements: 6 pencils, 5 ball point pens, and 2 felt-tip pens.
02/18/15
(1) How many different casts are there? (2) How many of these casts include Sally?
involving the casting of a play in a community theater. Assume that there are 8 unfilled roles: 3 male and 5 female. There are 6 men and 9 women, including Sally, auditioning for a part in the...
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02/18/15
(1) In how many ways can the selection be made?
Assume that you have 7 dimes and 4 quarters (all distinct), and you select 5 coins.
(1) In how many ways can the selection be made? (2) In how many ways can the selection be made if all the...
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02/18/15
How many different answer sheets can be submitted?
For this problem, assume the test had 7 true-false questions and 7 multiple-choice questions, and that each multiple-choice question had 5 choices.
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02/18/15
How many ways can you pick the cars so not all are the same size?
For this problem, assume that you are to pick 3 cars from the motor pool, which contains 8 subcompact cars, 8 compact cars, and 5 midsize cars.
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02/18/15
(1) How many different casts are there? (2) How many of these casts include Sally?
involving the casting of a play in a community theater. Assume that there are 8 unfilled roles: 3 male and 5 female. There are 6 men and 9 women, including Sally, auditioning for a part in the play.
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02/14/15
How many different codes are possible?
Assume that X = { A, D, E} and Y = { 7, 4, 6, 2}. A code consists of 2 different symbols selected from X followed by 2 not necessarily different symbols from Y.
02/14/15
How many ways can the trip be outfitted?
involving the outfitting of a camping trip. Assume that the camper has 5 jackets, 5 sleeping bags, and 11 different packages of food. An outfit consists of 1 jacket, 2 sleeping bags, and 8 packets of
02/14/15
(1) How many different teams can be selected? (2) How many different teams can be selected if each team must contain exactly 4 girls and 3 boys? (3) How ma
Assume that there are 9 girls and 10 boys in the neighborhood club, and a team of 7 is to be selected.
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02/13/15
Practice Test Question, Probability with Percents, Please Help?
Mrs. Jones surveys her class about their siblings. In the class, 75% of the students have a brother, 82% have a sister, and 65% have both a brother and a sister. What is the probability that a...
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02/11/15
In how many ways can this be done?
the chairperson who must select a subcommittee but assume that the committee consists of 13 people including the chairperson and that the chairperson must select a committee of 3 people from the...
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02/11/15
probability
A floor is covered with 64 square foot tiles. All the tiles are beige except for the ones listed in the table. If you toss a quarter on the floor at random, what is the probability that it will...
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02/10/15
What is the value of w3? What is the value of w4? What is the value of w1?
For this problem, assume that 3, 6, 5, and 2 are equally likely, a 4 is four times as likely as a 2, and a 1 is twice as likely as a 4.
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02/10/15
What is the value of Pr[E]? What is the value of Pr[F']?
For this problem, assume that S = { O1, O2, O3, O4 } and that w1 = 0.07, w2 = 0.29, w3 = 0.18, w4 = 0.46. Let E = { O1 , O2} and F = { O4 , O3}.
Probability & Statistics Probability
02/10/15
Probabilty Question
A university's leadership council is made up of members: are students, are teachers, and are deans. A newspaper reporter is planning to select two of the council members for interviews. The first...
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Probability & Statistics
02/06/15
The lengths of turtles in a park are normally distributed with a mean of 23.2 and a standard deviation of 5.6 inches. what is the percentile rank of a turtle wh
The lengths of turtles in a park are normally distributed with a mean of 23.2 and a standard deviation of 5.6 inches. what is the percentile rank of a turtle whose length is 15 inches?
I use the...
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Probability & Statistics
02/03/15
If two dice are rolled, what is the probability of getting two numbers greater than 4?
1/3, 1/36, 1/6 or 1/9
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Probability & Statistics
02/03/15
Probability of fishes
Consider a lake full of three species of fish: walleye, bass andperch. The lake contains 800 walleye, 800 bass and 400 perch. (This population is large enough thatyou can consider all samples to be...
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01/29/15
Someone could help me to solve this problem - Probability Exercise! Thank you!
Over a long period of time in a large multinational corporation, 10% of all sales trainees are rated as outstanding, 75% are rated as execellent/good, 10% are rated as satisfactory, and 5% are...
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Probability & Statistics Probability
01/28/15
Someone could help me to solve this problem - Probability Exercise! Thank you!
In an inspection of automobiles in Los Angeles, 60% of all automobiles had emissions that do not meet EPA regulations. For a random sample of 10 automobiles, compute the following probabilitiesA-...
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Probability & Statistics
01/28/15
Someone could help me - Probability Exercise! Thank you!
Over a long period of time in a large multinational corporation, 10% of all sales trainees are rated as outstanding, 75% are rated as execellent/good, 10% are rated as satisfactory, and 5% are...
more
Probability & Statistics Odds
01/21/15
How do I calculate the probability that atleast one will be tails when two coins or more are tossed?
Lets say 0 Is Heads and 1 Is tails If I toss a coin, there is 50% chances it lands on either side.01With two coins it means I could either have eitherOption 1:0 00 0 0 11 01 11 1Or Option 2:0 00 11...
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