Question

What is the value of 7P5 ?
(Points : 4)
5040

2520

42

21

Answer 1

7! / 5!

Answer 2

\[\large \color{green}{^nP_r = \frac{n!}{(n-r)!}}\]

Answer 3

@Venomous we expect to read a reply from your side..!!

Answer 4

Oh sorry, well thank you!!! i Got the answer 2520! Can you guys help me on this question too?

A box contains 10 cards numbered 1 through 10. Which events are mutually exclusive?
(Points : 4)
A card is drawn from the box and the number is odd.
A card is drawn from the box and the number is 5.

A card is drawn from the box and the number is even.
A card is drawn from the box and the number is 1.

A card is drawn from the box and the number is even.
A card is drawn from the box and the number is 4.

A card is drawn from the box and the number is odd.
A card is drawn from the box and the number is 1.

Answer 5

I've got that wrong before ! eta's formula is correct

Answer 6

look for an anomaly with regard to even and odd numbers

Answer 7

okay thank you

Answer 8

yw

Answer 9

Events A and B are mutually exclusive. Also, P(A) = 0.28 and P(B) = 0.3. What is P(A or B)?
(Points : 4)
0.02

0.28

0.58

0.84



Please help me on this one too! and thank you

Answer 10

'or' in this context = 'add'

Answer 11

Geez!!! i feel so stupid right now!!! thank you so much!!!

Answer 12

Last one to help me with please and i promise...

The Table shows the number of men and women who have entered a grocery store.
OUTCOME: men women
FREQUENCY: 15 20
What is the experimental probability that the next person to enter the store will be a man?
(Points : 4)
Option A:

Option B:

Option C:

Option D:

Answer 13

option A: One half = 0.5
Option B: three sevenths = about 0.42
Option C: three fourths = 0.75
Option D: four sevenths = about 0.57


PLEASE HELP FAST

Answer 14

.75

Answer 15

Thank you so much!!! I really appreciate it.