Probabilit |
0.1 |
0.2 |
0 . |
0.2 |
0.0 |
y P ( X ) |
5 |
5 |
3 |
5 |
5 |
What is the mean number of DVDs that customers rent ? Round your answer to one decimal place as necessary . For example , 4.5 would be a legitimate entry
14 . Accepted characters : numbers , decimal point markers ( period or comma ), sign indicators ( - ), spaces ( e . g ., as thousands separator , 5 000 ), " E " or " e " ( used in scientific notation ). NOTE : For scientific notation , a period MUST be used as the decimal point marker .
Complex numbers should be in the form ( a + bi ) where " a " and " b " need to have explicitly stated values .
For example : { 1 + 1i } is valid whereas { 1 + i } is not . { 0 + 9i } is valid whereas { 9i } is not .
In a history class , students take a weekly multiple choice quiz consisting of 6 questions , each with 4 possible answers . If a student randomly guesses at the answer to each question for every quiz , then what is the mean number of correct answers the student will get on each quiz ?
Round your answer to one decimal place as necessary . For example , 4.5 would be a legitimate entry
15 . Accepted characters : numbers , decimal point markers ( period or comma ), sign indicators ( - ), spaces ( e . g ., as thousands separator , 5 000 ), " E " or " e " ( used in scientific notation ). NOTE : For scientific notation , a period MUST be used as the decimal point marker .