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Annual food consumption survey shows that number of instant food meals consumed per month by university students is normally distributed with a mean of 10 and a standard deviation of 3.
a. Calculate the proportion of students consume more than 12 instant meals per month?
b. Estimate the probability that in a random sample of 25 students' more than 275 instant meals are consumed.
In a random sample of 10 reduced fat chocolate chip cookies, the sample mean for the number of chocolate chips was 17.6. Regular chocolate chip cookies have a mean number of 20 chocolate chips. The population standard deviation for the reduced f..
A wooden cube with painted faces is sawed up into 1000 little cubes, all of the same size. The little cubes are then mixed up, and one is chosen at random. What is the probability of its having just two painted faces?
the average lifetime of a light bulb is 3000 hours with a standard deviation of 696 hours. a simple random sample of 36
Identify the following dilemmas as either constructive or destructive.- If corporations are to remain competitive, then they must not spend money to neutralize their toxic waste;
Were the two decisions appropriate for a group decision procedure?
Is this a one-tailed or two-tailed test? Explain.- Write the null and alternative hypotheses.- In this context, explain what would happen if the professor makes a Type I error.
At what point should a new order be placed if the candy store wishes to keep 95% level of service, assume normal demand and the lead time. How much safety stock should be ordered?
Provide a plausible research question in the field of education that implies a bivariate correlation or regression. Identify your research question, your research (alternative) hypothesis, and your null hypothesis.
The following data were collected from a random sample of 10 asthmatic children enrolled in a research study and reflect the number of days
List the three assumptions of the independent groups t-test. The consequences of violating which assumption are exacerbated if you have unequal N
How does globalization help improve the lives of people throughout the world? Do they have more access to goods and information because of globalization.
Gamma Corporation is considering the installation of governors on cars driven by its sales staff. These devices would limit the car speeds to a preset level
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