Mathematics, 30.05.2020 23:03 juanmercs99
The time it takes for a statistics professor to mark a single midterm test is normally distributed with a mean of 5 minutes and a standard deviation of 2.5 minutes. There are 55 students in the professor's class. What is the probability that he needs more than 5 hours to mark all of the midterm tests
Answers: 2
Mathematics, 21.06.2019 18:00
Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.
Answers: 1
Mathematics, 21.06.2019 18:50
The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3
Answers: 1
Mathematics, 21.06.2019 22:00
Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250
Answers: 1
Mathematics, 21.06.2019 23:00
Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next
Answers: 3
The time it takes for a statistics professor to mark a single midterm test is normally distributed w...
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