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Estimating the individual score using normal distribution.
The distribution of scores on the SAT is approximately normal with a mean of µ = 500 and a standard deviation of σ = 100. For the population of students who have taken the SAT, if the stage college only accepts students from the top 60% of the SAT distribution, what is the minimum SAT score needed to be accepted?
The mean of a normal probability distribution is 60; the standard deviation is 5.
Are all the events in this distribution mutually exclusive? Describe in detail.
The random variable X has which of the following probability distributions and What is the probability that no student wins
Can you test the significance of the relationship between physical activity level and systolic blood pressure, adjusting for age, and weight, given the ANOVA table above?
Write introduction to STATISTICAL PROCESS CONTROL and Explain the use of SPC tools used at D2D
Using the data file below, construct a histogram and a frequency polygon. Describe the shape of this distribution.
The standard deviation is estimated to be 0.279. Use the 99% level of confidence.
If the probability that it will rain tomorrow is 0.33, then what is the probability that it will not rain tomorrow?
Given the following data on hotel check-ins for a 6-month period:
For a binomial probability experiment, with n=150 and p=.2, it is appropriate to use the normal approximation to the binomial distribution.
If the observed value is 4, the expected value is 5, and the standard error is 4, then the test value used for the z test is equal to
A month of sales data are collected on sales of different types of computer products Run the t-tests to determine:
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