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Lloyd's Cereal company packages cereal in 1 pound boxes (16 ounces). A sample of 36 boxes is selected at random from the production line every hour, and if the average weight is less than 15 ounces, the machine is adjusted to increase the amount of cereal dispensed. If the mean for 1 hour is 1 pound and the standard deviation is 0.2 pound, what is the probability that the amount dispensed per box will have to be increased?
a) 0.0608
b) 0.2304
c) 0.0304
d) 0.3773
e) 0.9696
f) None of the above
Children toilet train (training age normally distributed) at an average of 26 months with a standard deviation of 2 months. How lilely is child to be trained after 30 months?
Three are selected, at random, without replacement from the batch. What is the probability that the third is not defective given that one of the previous two are defective?
explain the difference between qualitative quantitative discrete and continuous
Determine the minimum sample size required using prior study that found that 54% of respondents said they have high-speed Internet access.
If a technical assistant is randomly selected, what is the probability that she would like to have MAC, given that she would like to have a PC as well?
A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial they wish to determine whether there is a difference between the effectiveness for women and for men. At a=5, what is the test valu..
This week we are extending what we learned in simple linear regression to mulitple regression - multiple regression models include more than one independent variable to explain the variation we observe in the dependent (or forecast) variable. Buildi..
The standard deviation was 2. At α = .10, is the number of years' experience of the taxi drivers really less than the taxi company claimed?
Compute the indicated confidence interval for the differenciate in proportions. Suppose that the samples are independent and that they have been randomly selected.
q1. a company markets educational software products and is ready to place three new products on the market. past
identify a pair of variables for which you would expect to see a strong correlation but not a cause-and-effect
What is the probability of getting a number less than 5 on both?
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