Find the probability of new medication
A new medication gives 10% of the users an undesirable reaction. If a sample of 14 users receive the medication, find the probability of:
(a) 0 undesirable reactions.
(b) 1 undesirable reaction.
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Constructing confidence Intervals - given the sample mean and the sample standard deviation, use this information to construct the 90% and 95 % confidence interval for the population mean, which interval is wider?
The mean inside the diameter of all washers produced by a machine is 0.502 inches and the standard deviation is 0.005 inches. The Company can only accept washers whose inside diameters are in the range from 0.496 in. to 0.508 in. otherwise the was
Consider the following two events: the first throw is a 1, 2, or 3; the first throw is an even number. Find the probability of each of these two events. Are these two events independent?
If one day 5 of the 14 actually contain illegitimate deductions, find the probability that 2 of them will be selected by the auditor. Also, find the mean and the standard deviation of the number of returns the auditor finds to contain illegitimate
What quantity would be required for a profit of $2,000? What is the anticipated utilization and what is the anticipated efficiency?
In a study of 500 executives, 315 stated that their company informally monitored social networking sites to stay on top of information related to their company. Construct a 95% confidence interval for the proportion of companies that informally mon
A straight hands in poker consists of 5 consecutive cards regardless of suit. What is the probability of getting a straight flush?
A game is played with a pair of fair dice as follows. A player rolls a pair of dice five times. He score a "hit" on any given throw in the sequence if he throws either a 7 or an 11. He wins if he scores an even number of hits in a sequence of thro
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