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A device has a sensor connected to an alarming system. The sensor triggers with probability 0.95 if dangerous conditions exist in a given day and with probability 0.005 if conditions are normal during the day. Days with dangerous conditions occur with probability 0.005.
In chi-square goodness-of-fit test when there is close agreement between observed frequency and expected frequency, chi-square test value will be small.
Also use the regression model to predict a student's average if he/she misses 4 classes.
Report a table of marginal means for each level of each of the three factors.
SAT Math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 116. a) what percentage of SAT scores are between 399 and 631?
Use the marginal probabilities of school quality, school cost or convenience, and other to comment on the most important reason for choosing a school.
Criterion of realism or Hurwitz. Assume that the payoff from an investment depends on market conditions. Illustrate what is the criterion of realism value.
A new shopping mall is considering setting up an information desk manned by one employee. Based upon information obtained from similar information desks, it is believed that people will arrive at the desk at the rate of 15 per hour.
Using the letter M for male and F forfemale. Define a second sample space S and where the elements represent the number of females selected.
A state survey investigates either the proportion of 8percent for employees who commute by car to work is higher than it was five years ago.
Give an example of a hypothesis test you could perform at work or at home. State what the Null and the Alternative hypotheses would be in your test.
Calculate the suitable mean response time from both proposed locations and find out which proposed site must be selected for the new emergency facility.
Formulate a suitable null and alternative hypothesis to test the students' claim that they followed their instructor's recommendation at a 5% level of significance and interpret your findings.
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