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2 2 votes
1 1 answer
1.2k
1.2k views
When should we use permutation and combination?
1 1 vote
1 1 answer
731
731 views
Calculate IQR(Inter Quartile Range) of {18, 24, 19, 16, 21}?
2 2 votes
1 1 answer
721
721 views
What do population, parameter, census and sample mean in statistics?
2 2 votes
1 1 answer
512
512 views
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
600
600 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
790
790 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
1.2k
1.2k views
What is difference between discrete numerical variable and continuous numerical variable?
1 1 vote
1 1 answer
653
653 views
How should I reduce file size of a word document when I attach high resolution pictures?
I need to submit an assignment in Word Document format, and the size of file is so big after attaching the photos taken by my cell-phone, what should I do?
1 1 vote
0 0 answers
457
457 views
What are the main steps in making a decision tree?
1 1 vote
0 0 answers
921
921 views
Please explain Linear Regression with an example?
2 2 votes
1 1 answer
678
678 views
What is the mean and standard deviation of a standard normal distribution?
3 3 votes
1 1 answer
5.1k
5.1k views
How many unique ways are there to arrange the letters in the word PRIOR?
1 1 vote
0 0 answers
361
361 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
737
737 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 1 answer
2.8k
2.8k views
Could you please share cheat sheet of Logic Operations?
2 2 votes
2 2 answers
2.8k
2.8k views
What's the differences between [NOT p OR NOT q] and [NOT (p OR q) ]
I think these two statements are similar, can anyone tell me the differences?
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