5,341 Answered Questions for the topic probability

Probability Math Algebra 2

08/08/20

Probability of cards
find the probability of drawing a black even card from a standard deck of cards.
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Probability

08/07/20

Some confusion related to probability
3 company manufacturers 1000 scooters in a month. Plants A, B and C manufactures 500,300 and 200 resp. 90%,92% and 95% scooter are standard quality in these plants. So what is the probability that... more
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Probability Statistics Mathematics

08/07/20

Maximum Likelihood Estimate

How to derive the likelihood function for binomial distribution for parameter estimation?
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Probability Math Algebra 2

08/06/20

Probability of coin tosses and rolling dice
So I am struggling on how to calculate probability with coins and dice, so with these next examples if you could explain it, it would be very helpful to me! Any help is appreciated.Q: Find the... more
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Probability Algebra 2

08/05/20

Probability of marbles
find the probability of picking 2 blue marbles when the marbles picked (with replacement) from a bag containing 5 blue and 8 yellow marbles
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Probability Math

08/04/20

There are 3 boxes, one of them contains red balls, another contains green balls and the last contains red balls and green balls.

There are 3 boxes, one of them contains red balls, another contains green balls and the last contains red balls and green balls. These boxes are labelled with the following labels: "Red balls"... more
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08/03/20

I need to be explained about this question. Any help will be kind!
A ping pong ball is drawn at random from an urn consisting of balls numbered 4 through 9. A player wins $1 if the number on the ball is odd and loses $1.5 if the number is even. Let x be the amount... more
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Probability

08/03/20

Probability/ in a proposed business venture, a businesswoman estimates there is a 50% chance she will make $59,000 and a 50 % chance she will lose $61,000 determine her expected value

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Probability

08/01/20

What is the probability all four members on the committee will be girls

12 boys 9 girls 4 members chosen
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Probability Statistics

07/31/20

A six-sided die, with a number from 1 to 6 on each side, is rolled twice. What is the probability that two odd numbers are rolled consecutively?
A six-sided die, with a number from 1 to 6 on each side, is rolled twice. What is the probability that two odd numbers are rolled consecutively?The answer in the pre test is 1/4. I cannot figure... more
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Probability Math Statistics

07/31/20

HELP ASAP A spinner has ten equal sectors, numbered 1 through 10. What is the probability that the arrow on the spinner will stop on a multiple of 3?
A spinner has ten equal sectors, numbered 1 through 10. What is the probability that the arrow on the spinner will stop on a multiple of 3? 0.1 0.3 0 1
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Probability Math Statistics

07/31/20

HELP ASAP For which of the binomial distributions listed below is the normal distribution not a reasonable approximation?
For which of the binomial distributions listed below is the normal distribution not a reasonable approximation?1.N=40, P=0.82.N=50, P=0.43.N=75, P=0.114.N=40, P=0.88
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Probability Math Statistics

07/31/20

Which of these random variables has a geometric distribution? HELP ASAP
1.the number of attempts before rolling a 3 with a die2.the number of defective products in a random sample of 20 taken from a production line that has a 3% defect rate3.the number of diamonds... more
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Probability Math Statistics

07/31/20

HELP ASAP PROBABILITY/STATS QUESTION
What is the value of term  in Pascal's triangle? 4 3 10 6
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Probability Math Statistics

07/31/20

HELP ASAPIf P(A) = 0.4 and P(B) = 0.2, and A and B are mutually exclusive events, which one of the following statements is true?
If P(A) = 0.4 and P(B) = 0.2, and A and B are mutually exclusive events, which one of the following statements is true?1.P(A or B) = 0.082.P(A or B) = 0.23.P(A and B) = 04.P(A and B) = 0.6
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Probability

07/30/20

probability question
If there's a larger set with a random distribution of A, B, C and D, and I view a small portion of the set and see an uneven amount of each variable (for example only one A, and more B, C and D)... more
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Probability

07/30/20

Probability question
: (a) Mr Okyere takes banana and apple to the office to share with his officemate. The probability that he will eat the banana is 0.7 and 0.8 is the probabilitythat he will eat the apple. The... more
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Probability Math Statistics

07/30/20

Probability Grade 12 Data Management Question

Hi I need help with this question: (I just want to know if I got the right answer)Suppose you buy a lottery ticket for which you choose five different numbers between 1 and 50 inclusive. The order... more
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Probability Math Statistics

07/30/20

Probability Grade 12 Data Management Question

Hi I need help with this question: (I just want to know if I got the right answer)Suppose you buy a lottery ticket for which you choose five different numbers between 1 and 50 inclusive. The order... more
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Probability Math Statistics

07/30/20

DATA MANAGEMENT QUESTION HELP ASAP
If the starting line-up (11 players) of soccer team is introduced one-by-one, how many different ways could the line-up be announced if Kelina must be introduced first and Tanner must be... more
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Probability Math Statistics

07/30/20

PLEASE SOLVE THIS ASAP
A salon found that 20% of people who make appointments do not show up. If there are 31 appointments in total, what is the odds in favour of having fewer than 3 “no shows”? Show all your work.
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Probability Math Statistics

07/30/20

PLEASE HELP SOLVE THIS ASAP
The board members of a provincial organization receive a car allowance for travel to meetings. Here are the distances the board logged last year (in... more
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Probability Math Statistics

07/30/20

help me solve this stats/probability question
Eight people are to be seated at a rectangular table for dinner. Tanya will sit at the head of the table. Henry must not sit beside either Wilson or Nancy. In how many different ways can the people... more
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Probability Math Statistics

07/30/20

HELP ASAP FOR DATA MANAGEMENT QUESTION

Find the number of ways of arranging the letters in the word BEACHFRONT if the second and third letters must be consonant and the last letter must be a vowel. Show all your work.
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Probability Math Statistics

07/30/20

HELP WITH STANDARD DEVIATION QUESTION ASAP
Determine the class average if the standard deviation was 10 and Heffy’s mark of 76 % is equivalent to a z- score of 1.30. Show all your work
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