5,341 Answered Questions for the topic probability

Probability Statistics Poker Cards

10/15/20

Probabilty of matching hand to dealer's hand
Hey, so I have to make this gambling style game for a math project and I need some help finding the probability distribution.The way the game goes is the dealer takes 3 cards from a 52 card deck... more
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Probability Math Statistics

10/15/20

How do I find P(T)? Please help, this is due tonight!
A box of cookies contains 4 chocolate and 6 butter cookies. Miguel randomly selects a cookie and eats it. Then he randomly selects another cookie and eats it. (How many cookies did he take?) P(BB)... more
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Probability Math Statistics

10/14/20

If there is a random arrangement of cars currently occupying four of the six spots, what’s the probability that I will have to parallel park?
Every weekend, I drive into town for contactless curbside pickup at a local restaurant. Across the street from the restaurant are six parking spots, lined up in a row.While I can parallel park,... more
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Probability Statistics

10/14/20

People goto Sams Shop randomly and independently of each other at a rate of 15 per day,on (average). It's open from 7am - 5pm and a customer arrives. What's the standard deviation between customers?
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Probability Statistics

10/13/20

how do I find probability for this homework problem??
The following table of data obtained from Baseball Alamanac shows hit information for four well-known baseball players. Suppose that one hit from the table is randomly selected.NAME ... more
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Probability Statistics

10/13/20

I'm confused on this part of my homework. Any help would be great
A college finds that 10% of students have taken a distance learning class and that 40% of students are part-time students. Of the part-time students, 20% have taken a distance learning class.... more
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Probability Math Statistics

10/13/20

I need help solving this probability homework question
If you could help me that would be amazing. Thanks!Given events J and K: P(J) = 0.19 P(K ) = 0.37 P(J OR K) = 0.42. Find P(J AND K ). (Enter an exact number as an integer, fraction, or... more
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Probability

10/13/20

Probability of selecting a heart and then selecting a club from a deck
Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced before the second card is selected. Find the probability of selecting a heart and then selecting a... more
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Probability Math Statistics

10/13/20

How do I find the value that is one standard deviation below the mean?
The following data are the distances between a sample of 20 retail stores and a large distribution center. The distances are in miles.29; 30; 37; 40; 58; 67; 68; 69; 76; 81; 84; 95; 96; 96; 99;... more
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Probability

10/13/20

John stands in front of a sugary soft‐drink vending machine.

John stands in front of a sugary soft‐drink vending machine. This machine randomlydispenses one of four different flavored colas. The machine contains exactly two cans of eachflavor. Find the... more
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Probability Statistics

10/12/20

what is the probability?
A radar unit is used to measure the speed of cars. Records show that the measures of speed are normally distributed with a mean of 95 km/hr and a standard deviation of 14km/hr. The probability that... more
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Probability Statistics

10/12/20

What is the probability of getting delivered.
food delivery service in america has mean delivery time of 55 mins with a standard deviation of 20mins. Assuming that the distribution is normally distributed, then the probability that the food... more
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Probability Math Statistics

10/12/20

How much will expect to gain/lose?
Ace's Pizza delivers several types of pizza, which is sold for 499 php and cost 300 php to make. The pizza shop has a policy that no charge will be asked if the delivery takes longer than half an... more
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Probability Math Maths Mathematics

10/12/20

Direct reasoning and indirect reasoning in math-2 alberta curriculum
A standard deck of 52 cards consists of 4 suits (hearts, clubs, diamonds and spades). If a student deals 3 cards from standard deck, determine the probability to the nearest hundredth, that at... more
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Probability

10/11/20

Not sure how to set up this problem
Wonder Widgets Inc produces Midget Widgets (MW).. Their data shows that 2% of the output is defective. A sample of 25 MWs is taken. (a) What is the probability that exactly two of this sample are... more
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Probability Statistics

10/11/20

Probability game
The probability of winning a game is 7/15. Determine the probability, expressed as afraction, of winning exactly 3 games if 5 games are played
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Probability Statistics

10/11/20

Probability, multiple choice
Jean guesses on all 7 questions on her multiple choice quiz. Find the probability if each question has 4 choices.P(exactly 6 correct)P(at most 2 correct)
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Probability

10/11/20

statistics and probability
A survey conducted using students from UCC to determine the average travel time to UCC in preparation for the construction of a new shuttle bus terminal to ease pressure on students revealed a mean... more
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Probability Statistics

10/11/20

Probability, studies
The probability that Jon studies and passes his math test is 13/16. If the probability that Jon studies is 19/20, find the probability that Jon passes his test, given that he has studied
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Probability Statistics

10/11/20

Probability of birds
Three birds are randomly removed from a bird cage that contains a canary, a parrot, a robin, a cardinal, a blue jay, a hummingbird, and a sparrow. Find P(canary, given parrot)
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Probability Statistics

10/11/20

Probability, number cubes
Two number cubes are tossed, find the probability only one shows a 2
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Probability Statistics

10/11/20

Probability of coins
There are 6 pennies, 4 nickels and 3 dimes in a wallet. Three coins are drawn at random without replacement.What is the probability 3 are pennies?What is the probability at least one is a penny?
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Probability Math

10/10/20

Determine the probability he will buy an ice cream on Wednesday.
When walking home from school during the summer months, Harold buys either an ice-cream or a drink from the corner shop. If Harold bought an ice-cream the previous day, there is a 30% chance that... more
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Probability Statistics

10/10/20

If n(A) = 100 and n(A∩B) = 40, what is n(A∩B′)?
This is the entire question.. no information on universe or n(B)
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Probability Math Finite Math

10/10/20

A box contains 5 red and 5 green balls. A ball is selected at random and its color is noted.
If this ball is red, it is replaced; if it is green, it is not replaced. Then, a second ball is drawn and its color is noted. Draw a tree and find the probability that: (a) the second ball is... more
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