Normally distributed with mean
Suppose adults have IQ scores which are normally distributed with mean of 100 and standard deviation of 15.
Determine the probability that a randomly selected adult has IQ < 115
Determine the probability that a randomly selected adult has IQ > 70
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You're interested in knowing the GPA of each of your students in your English class. The class has 18 students and average GPA of 3.31. In order to find out the individual GPA's you ask each student for his/her GPA.
Determine the total of the sum of squares and degrees of freedom? What is the mean squares of treatment and error? What is the F-test statistic of Treatment?
If the fraction of defective parts on a production line is known to be 3%: What is the probability that a sample of 40 parts will contain exactly 2 defectives?
Suppose x is continuous random variable and c a constant. Verify following very significant identities using the definitions of mean and variance of random variable.
Suppose adults have IQ scores which are normally distributed with mean of 100 and standard deviation of 15. Determine the probability that a randomly selected adult has IQ < 115
Assume a class has scores which follow normal distribution with mean of 75 and standard deviation of 15 N~(75,15). An 80 or above is an "A". Randomly pick 5 students.
Electrical engineering, can you solve the attached as request in the file with details
In a specific state, a major flood takes place once every 5 years on average. If you can suppose floods are independent, and that two floods can't happen simultaneously, find the following:
The average amount of time till a car accident on specific 60 mile stretch of road is 30 minutes. Suppose (unreasonably) that car accidents are independent, and that two accidents can't occur at the same time. Determine the probability of a car ac
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