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Post Cereals has decided to run a promotion whereby they are putting 10 different Yu-Gi-Oh cards in specially marked boxes of cereal. Card number 3 is the most sought after card in the series.
a. What is the probability that you will get card number 3 without having to buy more than 3 boxes of specially marked cereal? (Assume that all cards are equally likely).
b. Suppose you are unlucky and you don't get card number 3 in the first 3 boxes you buy. On average, how long will you have to wait to get card number 3?
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
At a party there are 30 students over age 21 and 20 students under age 21. You choose at random 3 of those over 21 and separately choose at random 2 of those under 21 to interview about attitudes toward alcohol.
What are its classes? What are their periods? Are they transient or recurrent? Compute the transition probabilities Pi,j .
The manufacturer of a coffee dispensing machine claims the ounces per cup is normally distributed with population mean equal to 8 ounces and standard deviation equal to 0.9 ounces. If 50 cups of coffee were measured, what is the probability that.
Using a normal distribution with a mean of 1118 and a standard deviation of 52 for the weights of steers, what percent of steers weigh over 1250 pounds, under 1100 pounds, between 1000 and 1150 pounds.
With 95% confidence, what is the margin of error (to 2 decimals)? What is the 95% confidence interval estimate of the population mean?
What is the probability for the given frequency distribution?
Using the Empirical Rule for this data, what amount should be considered the cut-off for sales amounts being classi ed as unusually low?
Suppose a random sample of size 36 is drawn from a population with a mean of 278. If 86% of the time the sample mean is less than 280, what is the population standard deviation?
Use a data to obtain 95% confidence interval using your formula from Number 7. Does your interval contain the correct value?
A major study examined the relationship between cause of death (heart attack, cancer, stroke, accident, etc.) and age. A good way to graphically represent the relationship is with
please propose a study and write a description of the study below is a tentative guideline for the paper.a. write
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