Statistics
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Data shows that 88% of the people in a certain population are righthanded. A group of 7 people from this population are selected at random. (a) What would be the expected value for the number of righthanded people in the group?
asked by Anonymous on March 22, 2011 
statistics
according to data from the american medical association, 10% of us are left handed. If three people, are randomly selected find the probability that they are all left handed. If groups of 50 people are randomly selected, what is
asked by cm on May 7, 2012 
Statistics
About 13% of the population is left handed. If two people are randomly selected what is the probability that both are left handed?
asked by Bridget on July 4, 2017 
statistics
Data shows that 93% of the people in a certain population are righthanded. A group of 9 people from this population are selected at random. What is the probability that exactly 7 of the people in the group are righthanded? 2
asked by mark on March 21, 2011 
statistics
A specific study found that the average number of doctor visits per year for people over 55 is 8 with a standard deviation of 2. Assume that the variable is normally distributed. 1. Identify the population mean. The population
asked by Cameron on June 3, 2013 
statistic
suppose we wish to construct a confidence interval for a population proportion p. if we sample without replacement from a relatively small population of size N, the margin or error E is modified to include the finite population
asked by carl on April 17, 2012 
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Left hand! right hand Female___!________ Male_____!_______ Total18 ! 122 The incomplete table above summarizes the number of lefthanded students and righthanded students by gender for the eighth grade students at Keisel Middle
asked by Mary on January 31, 2018 
statistics
A specific study found that the average number of doctor visits per year for people over 55 is 8 with a standard deviation of 2. Assume that the variable is normally distributed. 1. Identify the population mean. 2. Identify the
asked by Cam on April 15, 2013 
statistics
in a sample of 1000 people ,113 are left handed.the results of the sample are shown in the table.find the probability that a randomly selected person is a left handed,given that she is a woman.
asked by ron on October 4, 2011 
Statistics
In a certain class 27% of the students are lefthanded. suppose that a random sample of 53 students is selected. Find the mean number of lefthanded students in the class. Round your answer to the nearest integer. Pls help!
asked by sam on October 1, 2015