Suppose that, in at a certain plant over a 30–day period, the probability of equipment failure...
Suppose that, in at a certain plant over a 30–day period, the probability of equipment failure is 0.24, the probability of an operator error is 0.32, and the probability of both occurring is 0.09. If there is found to be equipment failure, what is the probability of an operator error? Give your answer to three decimal places.
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Suppose that, in at a certain plant over a 30–day period, the
probability of equipment failure...
Suppose that only 0.1% of all computers of a certain type experience CPU failure during the...
Suppose that only 0.1% of all computers of a certain type experience CPU failure during the warranty period. Consider a sample of 2,000 computers. (a) What are the expected value and standard deviation of the number of computers in the sample that have the defect? (Round your standard deviation to two decimal places.) expected value computers standard deviation computers (b) What is the (approximate) probability that more than 4 sampled computers have the defect? (Round your answer to three decimal...
Lost-time accidents occur in a company at a mean rate of 0.8 per day. What is the probability that the number of lost-time accidents occurring over a period of 9 days will be no more than 4? Round your answer to four decimal places.
Lost-time accidents occur in a company at a mean rate of 0.80.8 per day. What is the probability that the number of lost-time accidents occurring over a period of 99 days will be no more than 44? Round your answer to four decimal places.
Suppose that over a certain period, the percent change in the daily adjusted close of the...
Suppose that over a certain period, the percent change in the daily adjusted close of the S&P500 can be approximately modeled as a normal random variable with mean 0.04% and standard deviation 0.92%. a) What is the probability that on a randomly selected day the change is between -1.3% and +1.7%? b) On how many of 100 randomly selected days in this period would a change above +2.0% would be expected? c) What is the 85th percentile of this variable?...
Refer to the Venn Diagram to determine ("Probability of event B given C complement"). Give your...
Refer to the Venn Diagram to determine
("Probability of event B given C complement"). Give your answer to
three decimal places.
We were unable to transcribe this image0.24 0.19 0.06 0.04 0.16 0.11 0.09 0.11
Suppose that, over a certain period of time, a parent monitors how many texts their 17...
Suppose that, over a certain period of time, a parent monitors how many texts their 17 year old son sends each day. The average amount of texts sent a day is 42, and the standard deviation is 12 (a) If one day from this time period is randomly selected, and the number of texts for that day is one standard deviation above the population mean, how many texts were sent that day? 54 (whole number) Now, suppose random samples of...
Question 10: Probability Suppose that the weights of a certain type of bear are normally distributed...
Question 10: Probability Suppose that the weights of a certain type of bear are normally distributed with mean 324 lbs and standard deviation 25 lbs. If three such bears are randomly selected, find the probability that exactly one of them has a weight that is less than 342 lbs. Give answer to 4 decimal places
The probability that a randomly selected individual in a certain community has made an online purchase...
The probability that a randomly selected individual in a certain community has made an online purchase is 0.46 . Suppose that a sample of 11 people from the community is selected, what is the probability that at most 3 of them has made an online purchase? Write only a number as your answer. Round to 2 decimal places (for example 0.24). Do not write as a percentage.
Automobile warranty claims for engine mount failure in a Troppo Malo 2000 SE are rare at...
Automobile warranty claims for engine mount failure in a Troppo Malo 2000 SE are rare at a certain dealership, occurring at a mean rate of .16 claim per month. (a) What is the probability that the dealership will wait at least 9 months until the next claim? (Round your answer to 4 decimal places.) Probability __________ (b) What is the probability that the dealership will wait at least a year? (Round your answer to 4 decimal places.) Probability _________ ...
Question 5 (1.2 points) The probability that a randomly selected individual in a certain community has...
Question 5 (1.2 points) The probability that a randomly selected individual in a certain community has made an online purchase is 0.45. Suppose that a sample of 10 people from the community is selected, what is the probability that at most 3 of them has made an online purchase? Write only a number as your answer. Round to 2 decimal places (for example 0.24). Do not write as a percentage. Your Answer: Answer
Events A and B are mutually exclusive. Suppose event A occurs with probability 0.27 and event...
Events A and B are mutually exclusive. Suppose event A occurs with probability 0.27 and event B occurs with probability 0.09. If event A or event B occurs ( or both), what is the probability that A occurs? Round your answer to at least two decimal places.
Refer to the Venn Diagram to determine
("Probability of event B given C complement"). Give your answer to
three decimal places.
We were unable to transcribe this image0.24 0.19 0.06 0.04 0.16 0.11 0.09 0.11
Suppose that, over a certain period of time, a parent monitors how many texts their 17 year old son sends each day. The average amount of texts sent a day is 42, and the standard deviation is 12 (a) If one day from this time period is randomly selected, and the number of texts for that day is one standard deviation above the population mean, how many texts were sent that day? 54 (whole number) Now, suppose random samples of...
Question 5 (1.2 points) The probability that a randomly selected individual in a certain community has made an online purchase is 0.45. Suppose that a sample of 10 people from the community is selected, what is the probability that at most 3 of them has made an online purchase? Write only a number as your answer. Round to 2 decimal places (for example 0.24). Do not write as a percentage. Your Answer: Answer
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