Alternate hypothesis for a one-sided test
It is claimed that in a bushel of peaches, less than ten percent are defective. A sample of 400 peaches is examined and 50 are found to be defective. What is the alternate hypothesis for a one-sided test?
Expected delivery within 24 Hours
Construct a p-chart for the number of defective applications. Is the process in statistical control? Explain.
If the probability that Event A occurs is 0.4, that Event B occurs is 0.6, that Event C occurs is 0.5, that both Event A and Event B occurs is 0.3, that both Event B and Event C occurs is 0.2, and Event A and Event C occurs is 0.1. What is the pro
A person leaves for work between 8 am and 8.30 am and takes between 40 and 50 minutes to get there. Let the random variable X denote her time of departure and the random variable Y the travel time.
A foreman for an injection-molding firm admits that on 11% of his shifts, he forgets to shut off the injection machine on his line. This causes the machine to overheat, increasing the probability that a defective molding will be produced during th
The guidance system of a ship has four modules that must maintain all function properly for the system to work. Two of the modules have reliability of .85, the other two have reliability of .95 each. Compute the reliability of the system.
The distribution of sample means will not be normal even though the population data followed a normal distribution because the sample size is less than 30
An American roulette wheel has 38 slots: 18 are red, 18 are black and 2 are green. Let R be the number of spins until you observe red. Let B be the number of spins until you observe black. Let G be the number of spins until you observe green.
In a preliminary random sample of 30 small businesses, it was found that eleven had declared Chapter 11 bankruptcy. How many more small businesses should be included in the sample to be 99% sure that a point estimate phatitalic will be within a di
The local newspaper was interested in the proportion of people that would vote in favor of a bond issue to add a new sewage treatment plant. The paper contacted 80 registered voters and found that 26 of them were in favor of the bond issue.
After a military campaign sample of 59 soldiers were examined, it was determined that 32 of them suffered from lifetime post-traumatic stress disorder (PTSD). What type of confidence interval should be constructed? Why?
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!