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The following data represents the time (in minutes) it took 12 randomly selected applicants to ?nish a programming task. If we replace 81 with 18, how do the median and mean change? 112, 78, 86, 102, 88, 92, 87, 106, 81, 92, 91, 101 0 mean remains the same, but median decreases. 0 mean and median remains the same. 0 mean decreasess and median remains the same. 0 mean and median decreases.
(a) How many gray levels can be quantized using a four-bit code? (b) How many bits are necessary to code a pixel quantized to 32 gray levels?
A contractor is considering a sale that promises a profit of $3300 with a probability of 0.7 or a loss of $1600 with a probability of 0.3.
Meagan Dubean manages a portfolio of 200 common stocks. Her staff classified the portfolio stocks by 'industry sector' and 'investment objective. If x is a binomial random variable with n=8 and p=0.6, what is the probability that x is equal to 4?
consider a population having a standard deviation equal to 9.90. we wish to estimate the mean of this population.a.how
a box has three red balls and four green balls in it. a gambler bets 1 on red. a ball is randomly chosen. the gambler
Comparing proportions from two independent samples involves which test?
What is the 95% confidence interval for the proportion of all delinquent customer accounts at this manufacturing company?
Identify one country that is currently in the news that fits the definition of a semi-authoritarian regime.
Does the 99% confidence interval contain the actual population mean? If not, explain why not. What proportion of many similarly constructed confidence intervals should include the true population mean value?
consider the following bivariate data.point a b c d e f g h i jx 3 3 2 6 3 7 2 2 6 6y 7 1 5 6 3 7 5 7 2 5a construct a
If the data are normally distributed, what percentage of values will be mild outliers? - What percentage will be extreme outliers?
the mean number of patients admitted per day to the emergency room of a small hospital is 3. if on any given day there
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