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1. Two balanced dice are rolled and the number of dots facing up is added. Find the probability that the sum is 10 or 12.
2. Two balanced dice are rolled to see the number of dots facing up. Find the probability of observing
a) Six dots on both the dice.
b) Six dots on the first die or six dots on the second die.
At a certain university, 28% of the students major in zoology. Of all the students majoring in zoology, 68% are males. It is also known that 56% of all students at the university are male. Let Z represent the event that a randomly chosen student i..
A fair die is rolled nine times. What is the probability that an odd number (1,3 or 5) will occur less than 3 times?
Formulate and LP model for this problem using Excel. Sketch the feasible region for this problem using Excel. Find the optimal solution
Assume grades in college accounting class are normally distributed with a mean of 82 and a standard deviation of 7. what is the probability that a randomly selected student from this class will have a grade lower than 65?
It could not do anything with the airport and suffer a loss of revenue. The current value of raised revenue from a new airport is in question.
Suppose a fair coin is tossed n times. The probability of obtaining head and tail are the same because this is a fair coin. The proportion of heads is defined as the number of heads appeared divided by n.
The sample standard deviation of the first set of strengths was 8.2 ksi, the second set's S value was 9.8 ksi, and the S value for the 25 differences in strengths was 3.3 ksi.
Determine the probability of choosing the area code at random which ends in the odd number if first digit cannot be 1 or 0?
At the .05 significance level, is the number of units produced on the afternoon shift larger?
Concept of statistical signi cance
Ten prominent citizens have been nominated for a community's "Citizen of the Year" award. First- and second-place trophies are awarded to the two persons receiving the highest and second-highest number of votes.
By using the normal distribution to approximate the desired probability.
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