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The international bottled water association says that americans on the average drink 4.6 (8-oz.) serving of water a day (https://www.bottledwater.org/public/summary.htm) Assuming that the number of 8-oz. servings of water is approximately normally distributed with a standard deviation of 1.4 serving, what proportion of americans drink
a. more than the recommended 8 servingsb. less than half the recommended 8 servings
You are one space short of winning a child's board game and must roll a 1 dice to claim victory. You want to know how many rolls it might take. Describe how you would simulate rolling the dice until you get 1.
Use alpha level. 05 to compute and interpret Pearson's r and to test whether it is important (using all your steps for hypothesis test).
The population mean annual salary for first year faculty at SLU is $47,000. Assuming that the population standard deviation is $1800:
To determine the efficiency of the current ticket operation, Mike wishes to examine several queue operating characteristics.
There are 8 men and 4 women in the math club. Four members are selected at random to attend a math conference. Determine the probability of selecting 2 men and 2 women.
Determine the sample space of one such throw and determine the probability for each event and in the game of Ludo, a player has to throw one die and move a selected token based on the number shown on the die.
The animal colony in the reseach department contains 20 male rats and 30 female rats. Of the 20 males, 15 are white and 5 spotted. Of the 30 females, 15 are white, and 15 are spotted.
Suppose that you select a 50 families sample. Which is the form expected from the distribution of the average or median of the sample?
Which of the following events are disjoint and What proportion of the females rated their intelligence less than 7.
A complete census taken at the university a few years prior indicated a mean age of 22.4 years with a standard deviation of 7.6 years. Test the null hypothesis at the .05 level.
The Central Limit Theorem states that the sampling distribution of means is:
What are examples from the workplace related to how data are collected and displayed to facilitate the determination of probability in the resolution of business-related and marketing problems?
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