QNT/275 QNT275 QNT 275 WEEK 2 QUIZ
- University of Phoenix / QNT 275
- 27 Jun 2017
- Price: $10
- Other / Other
QNT 275 WEEK 2 QUIZ
We obtain the percentage of a category by:
multiplying the frequency of that category by 100
dividing the frequency of that category by 100
multiplying the relative frequency of that category by 100
dividing the sum of all frequencies by the frequency of that category
Correct answerquestion2
Which of the following is not an example of a discrete random variable?
The number of stocks a person owns
The number of days it rains in a month in New York
The time spent by a physician with a patient
The number of persons allergic to penicillin
Correct answerquestion3
The number of classes in a frequency distribution depends on the size of the data set. In general, the:
number of classes should be equal to the number of values in the data set divided by 5
smaller the data set, the larger the number of classes
larger the data set, the smaller the number of classes
larger the data set, the larger the number of classes
Correct answerquestion4
Which of the following pairs of events is mutually exclusive?
Male and republican
Female and male
Male and no opinion
Female and republican
Female and democrat
Correct answerquestion5
You randomly select two households and observe whether or not they own a telephone answering machine. Which of the following is a simple event?
At least one of them owns a telephone answering machine.
At most one of them owns a telephone answering machine.
Neither of the two owns a telephone answering machine.
Exactly one of them owns a telephone answering machine.
Correct answerquestion6
You toss a coin nine times and observe 3 heads and 6 tails. This event is a:
multinomial sample point
simple event
compound event
multiple outcome
USA 
India