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Question: Bernoulli. Do these situations involve Bernoulli trials? Explain.
a) We roll 50 dice to find the distribution of the number of spots on the faces.
b) How likely is it that in a group of 120 the majority may have Type A blood, given that Type A is found in 43% of the population?
c) We deal 7 cards from a deck and get all hearts. How likely is that?
d) We wish to predict the outcome of a vote on the school budget, and poll 500 of the 3000 likely voters to see how many favor the proposed budget.
e) A company realizes that about 10% of its packages are not being sealed properly. In a case of 24, is it likely that more than 3 are unsealed?
A group of exercise scientists claims the length of a workout for range-of-motion exercises is the same as for the other two types. Based on the confidence intervals in part (a), is there any evidence to refute this claim?
Extreme value or is it a fairly typical sample mean? For a sample of n=36 scores, would a sample mean of M=55 be considered an extreme value or is it is fairly typical sample mean?
1. a bus starts with eight people 2 of which are jack and diana and stops at 12 locations. assuming nobody else gets on
Create a stem-and-leaf plot for the male speeds.- Create a histogram for the male speeds.- Compare the pictures created in (a) and (b) and the dotplot in Case Study.
Construct a stem and leaf plot of the income. what do you predict about the shape of the population distribution. complete the following sentence. Fifty percent of the data falls below $ ______.
the claim size for a certain insurance policy is a pareto random variable with density function . the parameter is
You are picking up apples from a tree in a park. You are interested in estimating the mean weight of all apples in the park. Unfortunately you have only been able to find seven apples so far. Can you use the Central Limit Theorem to aid in your es..
PRODUCT SAFETY SURVEYS The accompanying data were obtained from a survey of 1500 Americans who were asked: How safe are American-made consumer products?
As part of his review for a chemistry test, a student randomly selects (without replacement) 40 out of 102 elements listed on the standard tables, and tries to guess their atomic numbers.
Generalize the above result to show that if {fi; i ∈ I} is a family of convex functions and supi ∈ I fi(x) ∞ for every x then supi∈I fi is also a convex function.
a sample of n 16 scores is selected from a population with ? 100 and ? 32. if the sample mean is m 104 what is the
Design an experiment to find out whether workers will be able to deactivate the machine as quickly with their left hands as with their right hands.
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