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Recent questions in general

2 2 votes
1 1 answer
720
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What do population, parameter, census and sample mean in statistics?
2 2 votes
1 1 answer
511
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Question for Discrete random variable
An investor has a 0.60 probability of making a 20000 dollar profit and a 0.40 probability of suffering a 25000 dollar loss. What is the expected value?
1 1 vote
1 1 answer
599
599 views
Sample question of permutation and combination.
You can bring along 2 friends! you have 5 friends who want to come along. How many different groups of friends could you take with you?
1 1 vote
1 1 answer
786
786 views
{1.75, 1.63, 1.55, 1.92, 1.81, 1.79, 1.81}. Determine the mean, the median, and the 20th percentile?
1 1 vote
1 1 answer
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1.2k views
What is difference between discrete numerical variable and continuous numerical variable?
1 1 vote
0 0 answers
360
360 views
What is the difference between Combination and Permutation?
As an example:Calculate the possible permutations for a rubik's cube?Why is it not, calculate the possible combinations for a rubik's cube?
2 2 votes
1 1 answer
736
736 views
Six devices (A,B,C,D,E, F) are each assigned one of three IP addresses...how many different assignments are possible?
Six devices (A,B,C,D,E, F) are each assigned one of three IP addresses (IP#1, IP#2, IP#3). If threedevices are assigned IP#1, two devices are assigned IP#2, and one devic...
2 2 votes
1 1 answer
3.5k
3.5k views
How many different ways are there to deal four 13 card hands to four players from a standard deck of 52 cards?
This question is from the third Combination example from lecture notes 3A. Researching this question I found this answerhttps://www.quora.com/In-how-many-ways-can-52-card...
1 1 vote
1 answers 1 answer
1.4k
1.4k views
What is the difference between the mean and the median? Calculate both for the following number set {18, 24, 19. 16. 21}
2 2 votes
1 answers 1 answer
591
591 views
What is the difference between qualitative and quantitive data?
2 2 votes
1 answers 1 answer
2.0k
2.0k views
A standard deck of 52 cards is shuffled and a single card is drawn. What is the probability that this card is a Joker
This is question 1d in the 2B exercises. The answer says the probability is 0 but I count 4 jokers in a 52 card deck, which means the probability is 1/13. Think I misunde...
1 1 vote
1 1 answer
909
909 views
What is the difference between a bar plot and a histogram?
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