In a survey of 120 people it was found that 65 read news week magazine,45 read time,42 read fortune,20 read both Newsweek and time,25 read both Newsweek and fortune,15 read both time and fortune,8 read all three magazine. find the number of people who read atleast one of the three magazine, find the number of people who read exactly one magazine and draw the Venn diagram to illustrate these facts 2. Each user on a computer system has a password,which is 6 to 8 characters long, where each character is an upper case letter or a digit.each password must contain atleast one digit.how many possible password are there. How many ways are there to place 10 indistinguishable balls into 8 distinguishable bins? 3. How many ways are there to choose 6 items from 10 distinct items when (a)the items in the choice are ordered and repetition is not allowed.(2) the items in the choice are ordered and repetition is allowed.
In a survey of 120 people it was found that 65 read news week magazine,45 read time,42 read fortune,20 read both Newsweek and time,25 read both Newsweek and fortune,15 read both time and fortune,8 read all three magazine. find the number of people who read atleast one of the three magazine, find the number of people who read exactly one magazine and draw the Venn diagram to illustrate these facts
2. Each user on a computer system has a password,which is 6 to 8 characters long, where each character is an upper case letter or a digit.each password must contain atleast one digit.how many possible password are there.
How many ways are there to place 10 indistinguishable balls into 8 distinguishable bins?
3. How many ways are there to choose 6 items from 10 distinct items when (a)the items in the choice are ordered and repetition is not allowed.(2) the items in the choice are ordered and repetition is allowed.
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