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A medical doctor wishes to test the claim that the standard deviation of the systolic blood pressure of deep sea divers is greater than 450. To do so, she selected a random sample of 25 divers and found s = 468. Assuming that the systolic blood pressures of deep sea divers are normally distributed, the doctor would perform a chi-square test to test her research hypothesis. In that case, what is the test value that she would compute. Place your answer, rounded to 3 decimal places, in the blank. For example, 34.567 would be a legitimate entry
quantitative analysis for decision making course assignment. 1- graphical solutions in linear programming have limited
A large disaster cleaning company estimates that 30% of the jobs it bids on are finished within the bid time. Looking at a random sample of 8 jobs that it has contracted: calculate the mean number of jobs completed within the bid time. Find the proba..
What is the probability of rolling a four in the gambling dice game of craps and What is the probability that a player can roll a four 3 times in a row - In a pilot study evaluating the use of a new drug to lower resting heart rates (HR) of patient..
The vast majority of the world uses
A certain printer cartridge has demonstrated a mean time usage of 9 hours and a standard deviation of 22 minutes. What time usage guarantee (in hours) should the manufacturer advertise in order to ensure that only 4% of the cartridges fail to ..
Satisfy the stochastic difference equation
The test statistic was calculated
Explain the assumptions underlying the two-sample test of means.When can one assume normality for two proportions?
A survey showed that the probability that an employee gets placed in a job
The null hypothesis woud be rejected.
The LDL cholesterol levels in a certain population has the distribution N(5.9, 0.8). 1. What is the cholesterol level of the 'healthiest' (i.e. lowest!) 20%?
Does there appear to be a relationship between work hours and loan amount - Explain the meaning of the coefficient of determination as it applies specifically to this problem.
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