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The claim is that the proportion of peas with yellow pods is equal to 0.25 or 25%. The sample statistics from one experiment includes 540 peas with 107 of them having yellow pods. Find the value of the test statistic.
round to two decimals.
Suppose that 64 smokers were sampled. Assume the sample mean and the sample standard deviation remained the same ($20 and $5, respectively).
Share 1 real-world binomial distribution situation and 1 real-world Poisson distribution situation. Be sure to explain why each example is defined as binomial or Poisson.
Suppose the waiting time at a restaurant is normally distributed with a mean of 12 minutes and a standard deviation of 6 minutes.
A grocery store manager discovers that on any given weekend 70% of the customers sales amount to more than $100. What is the probability that the first 2 sales will be over $100?
Calculate a 90% confidence interval for the percentage of homes in the US that had guns at the time of survey.
the project requires you to use the statistical techniques learned in this class. you may make up data as you like
Cornwell uses these forecasts for its production planning. It manufactures several types of glass, and demand is aggregated across products and measured in pounds.
If the trash ag manufacturer hopes to obtain a sample mean that is at least 50 pounds which sample size n=5 or n=40 would be best.
cooking oils that are low in both cholesterol and saturated fats are often recommended for people who are trying to
1. a previous survey showed that 83 of the people who take the daily newspaper read the sports section. what sample
There is uneasiness that the users of paper coupons are different from the users of e-coupons (coupons disseminated by means of the Internet).
We select a sample of 15 fares. What is the likelihood that the sample mean is between $17.00 and $20.00? What must you assume to make the above calculation?
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