Entries by Hannah Wangui

Box 1 contains 1000 lightbulbs of which 10% are defective

Box 1 contains 1000 lightbulbs of which 10% are defective. Box 2 contains 2000 lightbulbs of which 5% are defective. Suppose a box is given to you at random and you randomly select a lightbulb from the box. If that lightbulb is defective, what is the probability you chose Box 1?   Looking for a […]

 

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A straight is defined as a 5 card hand such that the card values can be arranged in consecutive ascending order, i.e. {8,9,10,J,Q} is a straight

<br/> -A straight is defined as a 5 card hand such that the card values can be arranged in consecutive ascending order, i.e. {8,9,10,J,Q} is a straight. Values do not loop around, so {Q,K,A,2,3} is not a straight. When drawing a 5 card hand, what is the probability of drawing a straight from a standard […]

 

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There are k kinds of postcards, each with a limited amount. Let there be ai copies of the i‐th postcard. How many ways are there to send these postcards to n friends?

There are k kinds of postcards, each with a limited amount. Let there be ai copies of the i‐th postcard. How many ways are there to send these postcards to n friends? (Each friend can receive zero cards, as well as multiple copies of the same card.)   Looking for a Similar Assignment? Order now […]

 

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You flip a fair coin until you see three tails in a row. What is the average number of heads that you’ll see until getting T T T ?

<br/> -You flip a fair coin until you see three tails in a row. What is the average number of heads that you’ll see until getting T T T ?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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