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use the information given below to find the p-value also use a 005 significance level and state the conclusion about the null hypothesis reject the
assume that the normal distribution applies and find the critical z valuesa 004 h1 is mean ne 986 degrees fahrenheit dteremine the value of zfind
examine the given statement then express the null hypothesis h0 and the alternative hypothesis h1 in symbolic formthe mean weight of women who won a
make a decision about the given claim use only the rare event rule and make subjective estimates to determine whether events are likely for example
make a decision about the given claim do not use any formal procedures and exact calculation use only the rare event ruleclaim a coin favors head
let x y and z refer to the three random variables it is known that varx 4 vary 9 and varz 16 it is further known that ex 1 ey 2 and ez 4
a salesperson visits from house to house to sell her knives the probability that she makes a sale at a random house is 3 given that she makes a sale
lifts usually have signs indicating their maximum capacity consider a sign in a lift that reads maximum capacity 1400kg or 20 persons suppose that
magtek electronics has developed a smart phone that does things that no other phone yetreleased into the market-place will do the marketing
the proportion of american express credit-card holders who pay their credit card bill in full each month is 23 the other 77 make only a partial or no
write a c program to find the sum of 0123 103 and 0456 102 and write the result in three significant
abc company has 2000 accounts receivable the mean and standard deviation are 300 and 50 respectively assume that the accounts are normally
suppose we estimate the following modelpassengersi 1 2populationi uia generate a scatter plot with passengers on the vertical axis and population
you want to know the thoughts of air travelers in fields such as tickets comffort safety securuty services and economic growth you are given a
q what is univariate and bivariate dataansunivariate data is data gathered about a single variable univariate studies could include a study of the
q what is inferenceansinference is the process of deriving conclusions based on facts or premises we often make inferences based on the results of
q suppose a study is being done and the population is the american public how would you go about choosing a random sample population to phone for a
q what is sample populationchoosing a sample population is one of the most important factors in gathering statistical data because all of the claims
q example of selection a sampleanssuppose a presidential election is approaching and many people are interested in knowing which candidate is most
q how to choose a samplethe way a sample is chosen is extremely important in all statistical studies this is because ultimately all the inferences
the neatee eatee hamburger joint specializes in soyabean burgers customers arrive according to the following inter - arrival times between 1100 am
lifts usually have signs indicating their maximum capacity consider a sign in a lift that reads maximum capacity 1400kg or 20 persons suppose
of the 6325 kindergarten students who participated in the study almost half or 3052 were eligible for a free lunch program the categorical variable
the elementary teachers federation of ontario make the following claim on their website as of february 13 2013for years the elementary teachers