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can you explain confidence intervals to me also can you help me understand the difference between the null hypothesis
1david axehead sells new cars for axehead ford david usually sells the largest number of cars on saturday he has
a and b play a game in which each has 3 coins a 5p a 10p and a 20p respectively- each selects a coin without the
using statistics software determine whether or not males and females have equal levels of education the required
it is well known that similarity in attitudes beliefs and interests plays an important role in interpersonal attraction
what percent of the babies born at 36 weeks gestation period have a low birth weight under 55
where people turn to for news is different for various age groups a study indicated where different age groups
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a meat packer is investigating the market mass shown on sausages a pilot study showed a mean of 118kg per pack and a
imagine you roll 2 fair 6-sided dicea let c denote the event that the sum of the dice is 3 let b denote the event that
the mean incubation time for a type of fertilized egg kept at 1006degf is 22 days suppose that the incubation times are
a commercial washing machine has a non-repairable motor with a constant failure rate of 008 failure per year the
starbucks coffee co uses a data-based approach to im-proving the quality and customer satisfaction of its products when
assume that ex has a normal distribution and find the indicated probability the mean is 152 and the standard deviation
industry standards suggest that 25 of new vehicles require a service within the first year suppose 10 new vehicles were
a manufacturer claims that the life span of its tires is 49000 miles you work for a consumer protection agency and you
on a givennbspdelhi -nbspmumbai trip by trainnbspthere are 200 seats suppose the ticket price is 475 rupies on average
the amount of water in a 12 ounce can has a uniform distribution between 1196 ounces and 1205 ouncesa what is the mean
what is the difference between weighted mean formula and the usual mean formula do they give the same result under what
what are the similarities and differences between grouped mean and weighted mean why does the weighted mean calculate a
a worldwide organization of academic claims that the mean iq score of its members is 112 with a standard deviation of
in problem 129 on page 424 an agent for a real estate company wanted to predict the monthly rent for apartments based
choosing alphawrite a description of a situation where you might want lower p-values for significance and explain why
7000 runners enter a local marathon in which they can qualify to enter the nyc marathon if they complete the 26 mile
at a major and minor street intersection one finds that out of every 100 gaps on the major street 65 are acceptable