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Suppose that weights of bags of potato chips coming from a factory follow a normal distribution with mean 12.8 ounces and standard deviation .6 ounces. If the manufacturer wants to keep the mean at 12.8 ounces but adjust the standard deviation so that only 1% of the bags weigh less than 12 ounces, how small does he/she need to make that standard deviation?
a) Determine the proportion of instances that the duration was less than 240 seconds. Also express the proportion as a percent. (hint: proportion is number of successes divided by total number.)
Is it reasonable to conclude that this set of n = 16 people is not a representative random sample of registered voters?
Normalized matrix for one decision criterion at Firm T is given below.
Are there differences in satisfaction with Intake process of clients who admit with mental health problems, substance abuse problems, or both.
To estimate the mean of the population from sample information, we need to calculate the standard deviation of the distribution of the sample means around the population mean.
Test whether the mean rate is less than 6%. Use P-value approach.
Use this information to compute a 95% confidence interval for average number of credit cards carried by students.
When the effect of a level for one factor depends on which level of the other factor is present, use: Select one:
A fair coin is flipped 3 times. Compute the odds of flipping 3 tails.
Probability that the entire batch will be rejected?
The manufacturer would like to establish Inventory levels such that there is only a 5% chance of running out of stock. Where the Manufacturer should set the inventory levels?
A random sample of students is selected, and each one is asked to try first brand A and then brand B, or vice versa with the order determined at random.
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