Possible samples can the sum of the five numbers
Assume that Y takes on the values {0, 1, 2, 3}, each with probability 1/4. Take a random sample of 5 numbers from this distribution. In how many possible samples can the sum of the five numbers (Y1 + Y2 + Y3 + Y4 + Y5) equal to 1?
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Suggest the experiment of tossing two die. Define the random variable Y to be the product of the two face values observed.
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Assume a certain capsule is manufactured so that dosage of active ingredient follows the distribution Y ~ N(? = 10 mg, ? = 1 mg). A dosage more than 13mg is considered dangerous. If we sample 49 capsules at random, compute the probability that the
Determine the probability that the researcher observes average weight of the 100 people to be between 150 and 170. [Round your answer to four decimal places]
Assume that Y takes upon the values {0, 1, 2, 3}, each with probability 1/4. Take the random sample of 5 numbers from this distribution. In how many possible samples can the sum of five numbers (Y1 + Y2 + Y3 + Y4 + Y5) equal to 1?
Suppose you want to estimate the proportion of people in your community who would choose Thin Mints as their favorite Girl Scout cookie. Also suppose previous studies have shown this proportion to be around .4 .
Students in introductory statistics class were asked to report the age of their mothers when they were born. Summary statistics include Sample size: 36 students Sample mean: 29.643 years
The following is sample information. Test the hypothesis at the .05 significance level that the treatment means are equal.
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