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Acme Airlines flies airplanes that seat 12 passengers. From experience, they have learned that, on average, 80% of the passengers holding reservations for a particular flight actually show up for the flight. If they book 13 passengers for a flight, what is the probability that 12 or fewer passengers holding reservations wil actually show up for the flight? (Write a, b, or c as your answer
8. John Lister (for whom Listerine is named) was a British physician who was pioneer in reducing deaths of surgical patients from infections. He suspected that bacteria were involved in transmitting infection, so he tried using carbolic acid as an op..
Whats the temperature
A variable contains five categories. It is expected that data are uniformly distributed across these five categories. To test this, a sample of observed data is gathered on this variable resulting in frequencies of 27, 30, 29, 21, and 24. Alpha is 0...
What is the standard error of this difference between the two means?
What differentiates the two formulas Σ (x - xbar)^2/n-1 from Σ (x - µ)^2/n, and why the difference?
What are the key terms in a one sample verbal hypothesis that signify whether you are conducting a one-tailed or two-tailed test? Provide one example each for the use of one-tailed and two-tailed test and also state the Null and the Alternative hypot..
An important feature of digital cameras is battery life, the number of shots that can be taken before the battery needs to be recharged. The file digital cameras contains battery life information for 29 subcompact cameras and 16 compact cameras. (Dat..
1. The number of power outages at a nuclear power plant has a Poisson distribution with a mean of 7 outages per year. the probability that there will be between 1 and 2 inclusive power outages in a year is?
A department store manager has decided that dress code is necessary for team coherence
Using Data/Filter and Sort make a subset of the main data table for Symbol HPQ (Hewlett Packard) for the year 2000. Make a line chart of the closing prices for the year 2000 from Jan through Dec.
It is estimated that such a programme will cost $7m and that the probability of flu striking in the next year is 0.75 - With the aid of a decision tree, determine, quantitatively, the optimal c ourse of action the committee should take.
Toss the coin four times. If the coin lands either all heads or all tails, reject Ho: p=1/2 (the p denotes the chance for the coin to land on heads.) Complete parts a and b. a. what is the probability of a type 1 error for this procedure? b. if p=4/5..
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