How many ways are there for any number of people to sit in a row
of...
How many ways are there for any number of people to sit in a row
of 7 chairs if no two people sit next to each other? Devise a
recurrence relation and explain.
In how many ways can a photographer at a wedding arrange 5 people in a row, including the bride and groom, if
(a) the bride must next to the groom?
(b) the bride is not next to the groom?
(c) the bride is positioned somewhere to the left of the groom?
(Causation and Correlation) Many professors notice that
the students who sit in the first or second row in the classroom
frequently earn higher grades in the course than students who sit
towards the back of the classroom. Should professors view this
relationship as one of causation? As one of correlation? Explain
your answer.
a) How many ways can the letters of the word COMPUTER be
arranged in a row?
b) How many ways can the letters of the word COMPUTER be
arranged in a row if O and M must remain next to each other as
either OM or MO?
c) How many permutations of the letters COMPUTER contain P, U
and T (all three of them) not to be together in any order?
How many ways can you arrange 5 boys and 6 girls alternately in
a row of 12 seats? An empty seat between 2 boys is not allowed. As
it is so for 2 girls.
The choices given are:
a. 86,400
b. 345,600
c. 691,200
d. 1,036,800
e. 2,764,800
Three boys and three girls are to sit in a row. Find the
probability that
i. The boys and girls alternate.
ii. The boys and girls sit together.
iii. Two specific girls sit next to one another.
Please provide full working with correct answer and clear
explanation
If you want to know if there is any difference at all in how
many people prefer any of five different salad dressings, you would
do what kind of test?
Chi square goodness of fit
Chi square test of independence
Independent sample (simple) ANOVA
Repeated measures(matched sample)ANOVA
Factorial ANOVA
Twenty people check their hats at a theater. In how many ways
can their hats be returned so that
(a) no one receives his or her own hat?
(b) at least one person receives his or her own hat?
(c) exactly one person receives his or her own hat?