1. You own 6 songs by Adele, 4 by Katy Perry, and 5 by Lady
Gaga....
1. You own 6 songs by Adele, 4 by Katy Perry, and 5 by Lady
Gaga. How many different playlists can you make that consist of 4
Adele songs, 3 Perry songs, and 2 Gaga songs, if you do
allow repeated songs?
64*43*52=2073600 is not the
right answer.
2. How many permutations of {A, B, C, D, E, F, G, H, I} are
there in which the first character is A, B, or C and the last
character is G,...
A group of five friends are playing poker one night, and one of
the friends decides...
A group of five friends are playing poker one night, and one of
the friends decides to try out a new game. They are using a
standard 52-card deck. The dealer is going to deal the cards face
up. There will be a round of betting after everyone gets one card.
Another round of betting after each player gets a second card, etc.
Once a total of 7 cards have been dealt to each player, the player
with the best...
Suppose you are playing a game of five-card poker where you are
dealt a hand of...
Suppose you are playing a game of five-card poker where you are
dealt a hand of 5 cards from a standard deck of 52 playing cards.
Each card has one of 13 values, 2,3,…,10,J,Q,K,A2,3,…,10,J,Q,K,A,
and one of 4 suits, ♡,♢,♠,♣♡,♢,♠,♣
A hand called a royal flush consists of cards of
the values 10,J,Q,K,A10,J,Q,K,A, all from the same suit. For
instance, a royal flush with hearts would be
10♡,J♡,Q♡,K♡,A♡10♡,J♡,Q♡,K♡,A♡.
Now, actually getting a royal flush in poker is incredibly rare (in...
Edit and revise: Misplaced modifiers(For example, saying 'Tracy
was almost fined $200 for littering' is not...
Edit and revise: Misplaced modifiers(For example, saying 'Tracy
was almost fined $200 for littering' is not the same as saying
'Tracy was fined almost $200 for littering')('Almost fined' means
she was not fined at all; 'almost $200 means that she was fined
slightly less than $200.)
1 I saw a lady walking her dog in red leather boots
2 We cannot sell alcohol to anyone in an open bottle.
3 Though only in Vancouver for three months, Lee knew how...
1. Why do we use percentage returns rather than dollar returns
when we compare returns?
2....
1. Why do we use percentage returns rather than dollar returns
when we compare returns?
2. Last year your portfolio made 15%; the stock market made 10%,
and the risk free rate was 2%. If the CAPM is correct, what must
the beta of your portfolio be?
3. The world can change but basic financial math doesn’t. The
obvious decreases in future cash flows from the virus is bringing
stocks down. What is the other, probably more important factor
driving...
Managing Human Resources
Strategy and HRM at Delta Airlines
In 1994 top executives at Delta Air...
Managing Human Resources
Strategy and HRM at Delta Airlines
In 1994 top executives at Delta Air Lines faced a crucial
strategic decision. Delta, which had established an unrivaled
reputation within the industry for having highly committed
employees who delivered the highest quality customer service, had
lost more than $10 per share for two straight years. A large
portion of its financial trouble was due to the $491 million
acquisition of Pan Am in 1991, which was followed by the Gulf...