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Questions by Rathin

1 1 vote
1 1 answer
862
862 views
nonpooled independent samples t-interval method
1 1 vote
1 1 answer
855
855 views
Computing the Confidence Interval for a Difference Between Two Means
0 0 votes
1 1 answer
1.1k
1.1k views
What is the T Distribution?
0 0 votes
1 1 answer
956
956 views
Probability for the data items within mean +- 1, +-2, +-3 standard deviation?
2 2 votes
1 1 answer
806
806 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
892
892 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
1.2k
1.2k 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
1.5k
1.5k views
What is difference between discrete numerical variable and continuous numerical variable?
0 0 votes
1 1 answer
994
994 views
How to calculate normal distribution?