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Questions and answers by
ABDULA YUSUF
Questions (5)
Using the following data set
a. Calculate the mean, mode, median, standard deviation, minimum, maximum and range b. Draw the
1 answer
530 views
Z has a standard normal distribution. If the value of P(Z<a)=0,8997, what is the value of a?
1 answer
515 views
In a school, the IQ scores of the students have a normal distribution with a mean value of 100, and a standard deviation of 10.
1 answer
678 views
On average, 40 customers are visiting a store in an hour. Find the probability of more than 40 customers visiting that store in
1 answer
596 views
A student has taken an exam consisting 10 multiple choice questions. Each question has 4 answer choices and has one correct
1 answer
642 views
