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1.What percentage of the area under the normal curve lies as given below?
(a) to the right of μ (Enter an exact number.)
(b) between μ - 2σ and μ + 2σ (Enter an exact number.)
(c) to the right of μ + 3σ (Enter a number. Use 2 decimal places.)
2. Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Enter a number. Round your answer to four decimal places.)
The area to the left of z = 0.44 is
3. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.)
μ = 6; σ = 2
P(5 ≤ x ≤ 8) =
4. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal places.)
μ = 24; σ = 4.4
P(x ≥ 30) =
jean researcher is studying the percentage of ethanol in dwi arresteess blood. she tests 16 subjects and finds a mean
Because it is easier to solve this problem by finding the complement, take the following steps: a. What is the probability of not a double 6 on a roll, P(E) =
Identify at least 2 variables for which you would utilize a repeated-measures ANOVA in your analysis. Describe the variables and their scale of measurement.
A consumer group conducts crash test of new model cars. to determine the severity of damage to 2006 mazda 6s resulting from 10-mph crash into a concrete wall, the research group tests six cars of this type and assesses the amount of damage. descri..
A discussion of extreme weather reports that: "In most states, hurricanes occur infrequently. Yet, when a hurricane hits, the losses can be catastrophic.
If the class does well on an exam, then the next exam is equally likely to be any of the three types. If the class does badly, then the next exam is always type 1. What proportion of exams are type 1, 2, and 3?
question in a group of persons traveling in a bus 6 persons can speak tamil 15 can speak hindi and 6 can speak
Suppose the population of IQ scores in the town or city where you live is bell shaped, with a mean of 105 and a standard deviation of 15.
Determine the probability that sample mean will be greater than M=510. In symbols, what is p(M>510)? Determine the probability that sample mean will be greater than M=520.
a. What is the z score for Indiana University? b. What is the z score for the University of Evansville?
Calculating the percent that meet specifications. Examination of individual measurements shows that they are close to Normal. If the process mean is set.
What was the decision for this phi correlation test? Do I reject or retain the null hypothesis?
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