Probability of undesirable and undesirable reaction
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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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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According to a study published by a group of sociologists, about 2/3 of the 20 million persons in this country who take valium are women. Assuming this estimate to be valid, find the probability that on a given day, the fifth prescription written
Also, find the mean and the standard deviation of the number of returns the auditor finds to contain illegitimate deductions
What is the break-even quantity (produced and sold)? And what are total revenues for the break-even quantity? What quantity would be required for a profit of $2,000?
A ternary string is a sequence of digits where each digit is either 0, 1, 2. Count the number of ternary strings of length n whose first 4 digits are all the same for n > 4. Count the number of ternary strings of length n containing exactly k 0
Is there evidence that the population mean amount is less than 25.3 hours? Use a 0.05 level of significance. Determine the p-value and interpret its meaning.
Assuming the you know nothing about where these co-workers have parked, what is the probability that you will find both spaces on either side of your car unoccupied ?
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