Sparky has a monthly cell phone plan that has a fixed charge of $15 per month plus $0.05 per text message. Sparky wants to spend
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Answer: Our required probability is 0.3162.
Step-by-step explanation:
Since we have given that
n = 60
Probability of success =
Probability that at most 39 of these relays come from supplier A would be
Hence, our required probability is 0.3162.