Normally distributed graph with mean
Consider the normally distributed graph with mean of 24 hrs, and standard deviation, of 4 hours. Determine the value of x, in hours, for which 5.05 % of data are below this value. Round to two decimal places.
Expected delivery within 24 Hours
The length of human pregnancies from conception to birth varies according to distribution that is approximately normal with mean 260 days and standard deviation 20 days. Employ the 68-95-99.7 rule to answer the following questions.
The Mental Development Index (MDI) of the Bayley Scales of Infant Development is the standardized measure employed in longitudinal follow-up of high-risk infants. The scores on MDI have approximately the normal distribution with the mean of 100 an
A state administered standardized reading exam is given to eighth grade students. The scores upon this exam for all students statewide have normal distribution with mean of 508 and standard deviation of 65.
A researcher believes that the ankle circumference for adult females in Europe can be considered to have a normal distribution with a mean of 20 cm.If his belief is correct which of the following ranges of ankle sizes will have the largest proport
A biologist is studying the appearance of three genotypes, denoted by A, B and C, in certain insects. For each of the three genotypes,
There are 9 white balls and 4 red balls in urn. How many different manners are there to select a subset of 6 balls, supposing the 13 balls are different?
Suggest this situation: A manager has partitioned company's sales in six districts: North, East, South, Midwest, West, and international. What graph or table would you employ to make the following points in a presentation for management?
Successive monthly sales are independent normal random variables with mean 100 and variance 100. Determine the probability that at least one of next five months has sales above 115
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