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The weights of ice cream cartons are normally distributed with a mean weight of 10 ounces and a standard deviation of 0.5 ounce. (a) What is the probability that a randomly selected carton has a weight greater than 10.22 ounces? (b) A sample of 25 cartons is randomly selected. What is the probability that their mean weight is greater than 10.22 ounces? (a) The probability is (Round to four decimal places as needed.) (b) The probability is (Round to four decimal places as needed.) CIDE
Use the central limit theorem to find the mean and standard error of the mean of the indicated samping distribution. Then sketch a graph of the samping distribution The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 100 pounds and a standard deviation of 37.6 pounds Random samples of size 18 are drawn from this population and the mean of each sample is determined ound to three decimal places as needed.) Sketch a graph of the sampling datribution. Choose the corect graph below OA OB 754 150 14 880 Aª Oc stemer OD. A 823 130 177 O JOG Time Remaining: 03:09:23 Next
Eighty-four percent of adults in a certain country believe that life on other planets is plausible You randomly select five adults and ask them whether they believe that ife on other planets is plausible. The random variable represents the number of aduts who believe that ife on other planets is plausible Find the mean, variance, and standard deviation of the binomial distribution for the random variable Interpret the results Find the mean of the binomial distribution (Round to two decimal places as needed) Find the variance of the binomial distribution (Round to two decimal places as needed) Find the standard deviation of the binomial distribution. (Round to two decimal places as needed) Interpret the results On average out of every 5 adults in the country believe that life on other planets is plausible. In most samples of 5 adults, the number of a (Type integers or decimals rounded to two decimal places as needed) o think on other planets is plausible would difor from the mean by no more than
This question: 5 points possible Next question 44% adus favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability that the number of U.S. aduts who favor the use of unmanned drones by police agencies is (a) exactly three, at least four, (c) less than eight (a) P13)(Round to three decimal places as needed.) (b) (x24) (Round to three decimal places as needed.) () P(x8) (Round to three decimal places as needed) Submit test