<span>45n^(5/2) is the answer
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Answer:
i think its 10
Step-by-step explanation:
4 6 8 10 15 20 21
Solution: Telemarketing. the probability that a call will reach a live person is 0.2. the calls are independent. (a) a telemarketer places 5 calls. what is the probability that none of them reaches a live person.
Answer: The given random experiment can be considered as binomial experiment with probability of success = 0.2 and number of trials = 5
Therefore, we have:

Let x be the number calls that reach to live person.
We have to find 
Using the binomial probability distribution, we have:



Therefore, the probability that none of them reaches a live person is 0.3277
Answer:
B. 25, acute
Step-by-step explanation:
It is acute because it is less than 90°