Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with self-study
Search options not deleted
user 304361
A routine exercise designed to test one's knowledge; often from a textbook, course, or test used for a class or self-study. This community's policy is to "provide helpful hints" for such questions rather than complete answers.
0
votes
1
answer
1k
views
How I can calculate in R expected value and variance of X and how do I get the probability? [closed]
In a survey I collected the following data comparing people who prefer to buy coffee or tea:
75% coffee
25% tea
I am assuming that 75% of all people prefer coffee.
On any given day 8 people bought cof …
0
votes
1
answer
76
views
equations for the expected value and the variance for binomial
If my dataset was generated from a binomial random variable, can I provide estimates to the two parameters n (integer) and p? Using the equations for the expected value and the variance for binomial.