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14 machines are planned to be used for a 60-day production run for a customer. The operating time is 1660 hours. Upon failure, a machine must be returned to the manufacturer for repair. The turnaround time is at least 90 days and an average of 120 days. The per machine failure rate is 0.01 failures per operating hour.
a. What is the expected number of machine failures during the production run?
b. Determine the number of spare machines required so that the probability of exceeding this number is 10%?
c. What is the probability that the number of spare machines required will exceed the expected number?
Using an investment game, the study demonstrated that people who inhaled oxytocin were more likely to give their money to a trustee compared to people who inhaled an inactive placebo. For this experimental study, identify the independent variable ..
A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of 20 gigabytes. What is the standard error of the mean?
What concepts and constructs would you use to study this phenomenon? How might the concepts or constructs relate to explanatory hypotheses? Explain.
What is the probability of either X or Y occurring? What is the probability that neither X nor Y will happen?
More than 5 percentage points in either direction from what would have been got by interviewing all voters in United States." Determine sample size suggested by this statement.
Determine whether the sentence is statement. Please justify. Write a negation of the inequality.Do not use a slash sign. Answer must be written as an equality.
Using a present value table, your calculator, or a computer program present value function, answer the following questions. Assistance is needed with the formula to calculate the problems:
Give an example of a polynomial with degree 3 such that when factored, it contains the two factors (x+5) and (2x-1), i.e., the polynomial looks like (x+5)(2x-1)(?).
A statistics professor plans classes so carefully that the lenghts of her classes are uniformly distributed between 50.0 and 52.0 minutes. find the probability that a given class period runs less than 50.75 minutes.
the maximum patent life for a new drug is 17 years. subtracting the length of time required by the fda for testing
Tourism is one consideration for Coffee Time's future. A survey of 1,233 visitors to Mumbai last year revealed that 110 visited a small café during their visit.
q1. sha-512 is a hash function that maps a message of any length to a digest which is binary string of size 512. what
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