Find probability that professor requires more than 6 hours

Reference no: EM13109931

The time it takes the statistics professor to mark the student's midterm is normally distributed with mean 4.6 minutes and standard deviation 1.4 minutes. If there are 75 students in class, determine probability the professor requires more than 6 hours to mark all of the midterms?

Reference no: EM13109931

Questions Cloud

Why does their center appear white : When viewed under a microscope, healthy red blood cells appear flattened, circular and biconcave. They appear pink on the outside but have a whitish center. Why does their center appear white?

How many dollars convert to shillings : You are traveling abroad and have only American dollars with you. You are currently in the capital but you will soon be heading out to a small town for an extended stay.

Find the difference between tall and short stature : in a cross between true breeding tall plants and with true breeding short plants all of the F1 are tall.when these plants are allowed to fertilized themselves,the F2 plants are occure in a ratio of 3tall to1short. which of the following is not val..

Summation by parts and ditichlets test : Suppose {a_n} (n=1 to N) and {b_n} (n=1 to N) are two finite sequences of complex numbers. Let B_k = sum b_n (sum n=1 to k) denote the partial sum of the series sum (b_n) with the convention B_0=0.

Find probability that professor requires more than 6 hours : Distributed with mean 4.6 minutes and standard deviation 1.4 minutes. If there are 75 students in class, determine probability the professor requires more than 6 hours to mark all of the midterms?

Relationship between age group and communication : USA Today reported on preferred types of office communication by different age groups. Suppose the results were based on a survey of 500 respondents in each age group.

What are the genotypes of the parents : In a type of parakeet known as a "budgie", feather color is controlled by two genes. A yellow pigment is synthesized under control of a dominant allele Y.

Statistics of two tailed test : Other research examining the effects of preschool childcare has found that children who spent time in day care, especially high quality daycare, perform better on math and language tests than children who stay at home with their mothers

Determine the genotype at this locus : In Mandel's peas, purplr flower color is dominant to white.which descriptions wouldn't allow you to determine the genotype at this locus?(please explain)

User Account

All Pages