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According to a candy? company, packages of a certain candy contain 23?% orange candies.
Find the approximate probability that the random sample of 500 candies will contain 25% or more orange candies.
Using a normal? approximation, what is the probability that at least 25?% of 500 randomly sampled candies will be? orange?
P(p≥0.25)=
?(Round to three decimal places as? needed.)
She is willing to commit $100,000 to this project. What are the advantages of taking a sample versus conducting a census? What are the trade-offs?
You then sort by the random numbers in ascending order. Finally, you take the first 50 sorted employees as your sample. Does this approach constitute a statistical or a nonstatistical sample?
question a jar contains 1 red marble 3 yellow marbles and 2 blue marbles. a game consists of selecting a marble and
In testing a new drug, researchers found that 6% of all patients using it will have a mild side effect. a random sample of 11 patients using the drug is selected. find the probability that exactly two will have this mild side effect.
Part A: Russia is well known to be amongst the most adroit nations at manipulating public opinion in other countries via its foreign influence operations. A Russian SVR agent has 45 million dollars
What is the probability that all three of these individuals have Alzheimer's disease? What is the probability that at least one of the three people has Alzheimer's disease?
What is the probability that 11 or more of these consumers have called an 800 or 900 telephone number for information about some product?
there are 40 students in an elementary statistics class. on the basis of years of experience the instructor knows that
you take 100 random samples of size four each and, for each sample, find a 95% confidence interval for the mean IQ.
The college theater department recently staged a production of a modern musical. A researcher recorded the gender of each student entering the theater and found a total of 385 females and 215 males.
Use the population standard deviation along with the sample mean, S, and find a 92% confidence interval for the population mean. Is the true population mean contained in this interval?
LA rainfall. The Los Angeles Almanac Web site reports recent annual rainfall (in inches), as shown in the table.
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