Five percent of computer parts
Five percent of computer parts produced by a certain supplier are defective. What is the probability that a sample of 16 parts contains more than 3 defective ones?
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You play a dice game with two dice. If you roll at most 5 (i.e. the sum of the two numbers is 2, 3, 4 or 5) then you win, if you roll 7 or 10 then you lose, otherwise you have to roll again. What is the probability that the game ends after exactly
An interactive system consists of ten terminals that are connected to the central com- puter. At any time, each terminal is ready to transmit a message with probability 0.7, independently of other terminals. Find the probability that exactly 6 ter
How many 3-digit numbers have distinct non-zero digits? Generalize your answer for a k-digit number, where k =< 9.
In a pizzeria they offer eight different toppings for a pizza. Moreover you are allowed to double any topping if you wish. For example, it is possible to get a pizza with: single type 1 topping, double type 3 topping, double type 4 topping and a
How many samples of 5 contain exactly one nonconforming chip? How many samples of 5 contain at least one nonconforming chip?
A bagel shop wants to estimate their daily demand for their popular poppy seed bagel. The shop owner determined that the daily demand follows the normal probability model with mean 300 bagels and standard deviation 60.
A random sample of 15 student nurses were given a test to measure their level of "authoritarianism" with the following ordinal-scale results. Test the null hypothesis that the typical (median) score of the population is 100.
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