quantitatives methods An experiment may have only one outcom

An experiment may have only one outcome only two outcome two or more outcome what does equal 640 36 10 120 A lamp manufacturer has developed five lamp base and four lampshades that could be used together. How many different arrangement of base and shade can be offered?

Solution

1.

C) 2 or more outcomes (like tossing a die)

2.

(6! 2!)/ (4! 3!)

Cancelling 4!

= (5*6*2!) / 3!

= (5*6*2!) / 6

= 5*2!

= 10 [answer, B]

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3.

There are (5 lamp bases)*(4 lampshades) = 20 combinations. [OPTION D]

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4.

There are n! ways to arrange n objects.

Here, 4 objects can be organized in 4! = 24 ways [ANSWER, OPTION B]

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