5,381 Answered Questions for the topic probability

Probability

07/21/20

A bag contains 8 white counters, 3 black counters, and 6 green counters. What is the probability of drawing

(a) a white counter or a green counter?(b) a black counter or a green counter?(c) not a green counter?
Probability

07/21/20

How many different ways are there to fill 4 positions?

A fifth grade class of 26 students wants to elect president, Vice President, treasurer & secretary.
Probability

07/21/20

How many different dinners are possible if you choose 1 item from each course?

The Health Shack is known for 3 course dinners consisting of appetizer, entree & vegetable. How many different dinners are possible if you choose 1 item from each course?
Probability

07/21/20

What’s the probability of drawing a blue, then black sock; what’s the probability of drawing a black sock then blue sock?

Probability of drawing socks from a drawer of 8 black socks, 6 blue & 4 white without replacement .
Probability

07/21/20

What’s the probability of landing on an even number & rolling an odd number on a die

Determine the probability of landing on an even number & rolling an odd number on die
Probability

07/21/20

What’s the probability of landing a 4 on a spinner & rolling a 6 on a die?

Determine the probability of landing a 4 on a spinner & rolling a 6 on a die
Probability

07/21/20

What’s the probability of it being a 6th grader?

A school has a raffle for 130 students in fifth & sixth grade. There are 62 fifth graders. What is the probability that the grand prize winner selected at random from 130 students will be a... more
Probability

07/21/20

What is the probability that the student will be female?

Jane Austen College has 1,020 males & 1,180 female students. What is the probability that the student selected at random will be female?
Probability

07/21/20

What is the probability that Dee wins?

Suppose Don Gregg & Dee Poset are the only 2 candidates for president. The probability that Don wins is 0.38. What is the probability that Dee wins?
Probability

07/21/20

How do I solve this problem?

An event is very unlikely to happen. It’s probability would be about ______
Probability

07/20/20

Given the following information: P(A) = 0.58 P(B) = 0.34 P(A and B) = 0.12 P(B given A) = 0.21

What is the probability of A or B? Round your answer to the nearest hundredth as needed  .P(A or B) = 
Probability

07/20/20

A bag contains 6 white counters, 10 black counters, and 7 green counters. What is the probability of drawing

A.  a white counter or a green counter?B. a black counter or a green counter?C. not a green counter?
Probability

07/20/20

A jar contains 5 pennies, 5 nickels and 8 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins.

A. Find the probability X = 10.B. Find the probability X = 11C. Find the expected value of X. 
Probability

07/20/20

A math class consists of 38 students, 24 female and 14 male. Three students are selected at random, one at a time, to participate in a probability experiment (selected in order without replacement).

A. What is the probability that a male is selected, then two females?B. What is the probability that a female is selected, then two males?C. What is the probability that two females are selected,... more
Probability

07/20/20

give each student a bag of chocolate m&ms. divide the students into groups of 5 or 6. calculate the relative frequency distribution for color of m&ms for each group.

(a) what is your estimated probability of randomly picking a yellow? a red? (b) redo the calculations for the whole classroom. did the estimates change? (c) do you believe there is an equal number... more
Probability Statistics

07/20/20

Testing a Claim about a Proportion

A genetic experiment involving peas yielded one sample of offspring consisting of 427427 green peas and 167167 yellow peas. Use a 0.05 significance level to test the claim that under the... more
Probability Finite Math

07/19/20

Finite Math: Probability

Wonder Widgets Inc. has 3 plants producing their De-lux Wonder Widget (DWW). Plant A produces 80% of all DWW, plant B 15%, and plant C the remaining 5%. 7% of Plant A’s production is defective, 6%... more
Probability Finite Math

07/19/20

Finite Math: Probability

Assume that 37% of the voting population in the US considers themselves as Democrats. Ten of these voters are selected at random(a) What is the probability that exactly 3 of the 10 selected... more
Probability Finite Math

07/19/20

Probability: Independent Events

Let A and B be independent events with P(A) = .4 and P(B) = .2. Find P(A ∪ B).
Probability Finite Math

07/19/20

Probability: Combinations

A club consists of 15 women and 10 men. They need to form a committee of 5 people. (a) How many different committees can be formed? (b) How many different committees consisting of 3 women and 2 men... more

07/18/20

Probability of a cubic having three real roots.

third degree polynomial is given as follows. f(x)=2x3-ax2+bx+4 a, b coefficients of the equation a,b interval between [-4,4]. what is the probability that all three roots of this equation are real... more
Probability Math Statistics

07/18/20

Probability & Statistics

. . . .. . . . .. .. . . .. . . . . . . .. . . . .. . ., . . .. ,.,. ., ,., ., ., .,. ,. ,., .,. ,., .,.,. , .,.,., ,., .,., . ,.,.,,.. .,,. ... ... ... ... ... ... .. .. ... ... .. .. .. .. .j
Probability Statistics

07/17/20

HELP!!! I need help with statistics!

Help!!! With a SD of 16 a mean of 84 what would the probability be that someone scored an 80 on a test? Z score is -0.25. Also, with a Z score of 0.375, what would the probability be for someone to... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.