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Given a sample size of 34 with sample mean of 660.3 and stand dev of 104.9 we have the hypotheseis
Null is H0:u=700
Alt Hyp is Ja: u does not equal 700,
what is the the test statistic and at a 95% confidence level what is the critical value in this test?
Calculate the probability of a type ii error for the following hypotheses when µ = 37:
question letnbspomega be a space of results and b one happening such that probability of b gt 0 pb gt 0. prove that
Approximately 14 percent of the population of Arizona is 65 years or older. A random sample of five persons from this population is taken. The probability that less than 2 of the 5 are 65 years or older is:
question 1. select any two qualitative data of your survey. from your qualitative data carry out at least two
The number of items rejected daily by a manufacturer because of defect for the last 30 days are 22, 21, 8, 17, 25, 20, 18, 19, 14, 13, 11, 6, 21, 23, 4, 19, 11, 12, 16, 16, 10, 28, 24, 6, 21, 20, 25, 5, 17, 9. Complete this frequency table for the..
The population mean height of a basketball player is 220 cm with a standard deviation of 20 cm. In a sample of 49 basketball players, what is the probability of getting a sample mean height of 215 cm or more?
Suppose a new weight loss program was sponsored by the local health and fitness club in a small town. The program claims to make people lose more than five pounds in a month. Twelve participants were selected and their weights were recorded.
the lifetime of an electronic amplifier is modeled as an exponential random variable. if 10 of the amplifiers have a
according to a study published by a group of sociologists at the university of massachusetts approximately 49 of the
Determine the average number of parts waiting to be worked on, the percentage of time the operator is working, and the percentage of time the machine is idle.
A synopsis of a business related problem where statistics was used to solve the problem. The synopsis needs to include a discussion of the specific problem, the research methodology used, the quantitative and qualitative tools used
A statistical analysis of 1,000 long-distance calls made from the headquarters of the Bricks and Clicks Computer Corporation indicates that the length of these calls is normally distributed with μ = 240 seconds and σ = 40 seconds.
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