by Dan | Jul 21, 2022 | Statistics
The Agency for Healthcare Research and Quality reported that 53% of people who had coronary bypass surgery in a recent year were over the age of 65. Fifteen coronary bypass patients are sampled. What is the probability that fewer than 8 are over the age...
by Dan | Jul 21, 2022 | Statistics
A random sample of 250 voters is chosen from a list of 10,000 registered voters. Let X be the number who support the incumbent mayor for reelection. determine whether the random variable X has a binomial distribution. If it does, state the number of trials n. If it...
by Dan | Jul 21, 2022 | Statistics
What should I buy? A study conducted by the Pew Reaserch Center reported that 58% of cell phones owners used their phones inside a store for guidance on purchasing decisions. A sample of 15 cell phone owners is studied. What is the probability that excatly...
by Dan | Jul 21, 2022 | Statistics
Determine whether the table represents a discrete probability distribution. If not, explain why not. -This is not a probablility distribution. P(55) is not between 0 and 1.
by Dan | Jul 8, 2022 | Statistics
1. Find the mean for the given sample data. 1, 5, 8, 12, 15, 19 2. Find the standard deviation for the above sample data. Round the answer to 1 decimal places 3. Find the median for the following samples a) 5, 19, 27, 9, 30,...
by Dan | Jun 28, 2022 | Statistics
Write a results section that includes the descriptive statistics for age, weight, and height. Also, look at the data for the satis, exreg, misrep, and mind variables for the males and females. Determine the frequency counts of the yes or no responses for...
