A large bank vault has several automatic burglar alarms. The probability is 0.55 that a single alarm will detect a burglar.   (a) How many such alarms should be used to be 99% certain that a burglar trying to enter is detected by at least one alarm? (Enter the smallest number of alarms needed to be at least 99% certain.)   alarms (b) Suppose the bank installs eleven alarms. What is the expected number of alarms that will detect a burglar?  alarms

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Q: Suppose that the probability that there is another pandemic in the next year is 10%. And suppose…

A: Probability is a branch of mathematics or statistics which basically deals with the probability of…

Q: Suppose that the average GPA of all students in a large university is 2.8 and the s. d. is  0.65. 49…

A: From the provided information, Mean (µ) = 2.8 Standard deviation (σ) = 0.65 Sample size (n) = 49

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A: Formula: E(X) = ∑i=1nXiP(Xi) Given: X1 = 801, P(X1) = 0.31, X2 = 199.

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A: Given 24% of people own dogs

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A:

Q: suppose that a factory produces light bulbs and the percentage of defective lightbulbs is 3.5%. if a…

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Q: An assembly line has two inspectors. The probability that the first inspector will miss a defective…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.