In a study of the accuracy of fast food drive-through orders, one restaurant had 30 orders that were not accurate among 388 orders observed. use a 0.01 significance level to test the claim that the rate of inaccurate orders is equal to 10%. does the accuracy rate appear to be acceptable? identify the null and alternative hypotheses for this test. choose the correct answer below. a. upper h 0: pequals0.1 upper h 1: pgreater than0.1 b. upper h 0: pequals0.1 upper h 1: pnot equals0.1 c. upper h 0: pequals0.1 upper h 1: pless than0.1 d. upper h 0: pnot equals0.1 upper h 1: pequals0.1

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was

People end up tossing 12% of what they buy at the grocery store. assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. calculate the mean and the standard error for the sample proportion p. b. describe the sampling distribution of p in part a. draw a graph of this probability distribution with its mean and standard deviation. what is the probability that your survey will provide a sample proportion more than 15%? c. d. population proportion? what is the probability that your survey will provide a sample proportion within + 0.03 of the