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Computing the probability value using normal distribution.
Given the IQ scores for students in a district have a normal distribution with µX = 105 and σX = 15, find P ( < 100) if n = 25.
a) -1.67
b) 16.7%
c) 4.8%
d) 37%
It was a research final paper about the Ashford 308 statistics for managers course. she gave me an answer that was less than a page and I couldn't even use it. lost 50$ I offer you the same thing 50$ for a real answer.
Stores A, B, and C, have 50, 75, and 100 employees and respectively 50%, 60%, and 70% if these employees are women. Resignations are equally likely among all employees regardless of sex. One employee resigns and she is a woman. What is the probabi..
At the .05 level, you are testing whether there is a significant difference in the proportions of college students and similar aged non college students having accidents during the two year period. Is this a 1 or 2 tail test?
The heights of children 2 years old are normally distributed with a mean of 32 inches and a standard deviation of 1.5 inches. Pediatricians regularly measure the heights of toddlers to determine whether there is a problem.
A California lawyer practices law, on the average, for 30 years. Assuming these members remain steady, how many lawyers would you expect California to have in 2050.
The probability that a patient recovers from a disease is 63%. What is the probability that:
Two men are carrying a girl on a large plank that is 10m long and weights 200N. If the girl on a plank weighs 445N and sits 3m from one end, how much weight must each man support?
He asks you to develop a proposal for the study and submit it to him. Develop the management-research question hierarchy that will help you to develop a specific proposal.
Assuming the validity of this premise, among 25 randomly selected current customers, what is the probability that between 2 and 6 (inclusive) qualify for membership?
A mortar shell is s feet above the ground after t seconds, where s=f(t)= -16t + 510t +63. Find the height of the shell 15 seconds after it is fired.
You are responsible for planning the parking needed for a new 256-unit apartment complex, and you're told to base the needs on the statistic "average number of vehicles per household is 1.7."
The average demand for carpet from the stores that purchase from the distributor is 4500 yards per month, with a standard deviation of 900 yards. what is the probability that a customer's order will not be met during a month?
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