2. A pizza delivery company claims that its average delivery time is less than 45 minutes. State the null and alternative hypotheses that would be used to prove this claim.

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A: Here use counting principle 

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Q: sume that when human resource managers are randomly selected, 48% say job applicants should follow u...

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Q: The arduous task of combing and tying up long hair and a desire to assimilate has led to approximate...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

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Q: can we calculate Pr(Q v H) using the Simple Disjunction Rule? Why or why not?

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Q: four-digit number, in the range 0000 to 9999 inclusive, is formed. find the probability that a) the...

A: Here we will use Fundamental of counting principle and Basics of probability 

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Q: Three cards are drawn from an ordinary deck of 52 cards. Find the probability that (a) all cards are...

A: we know that a pack of 52 cards is divided into4 suits and each suit has 13 cards.no.of ace cards=4

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