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A certain type of tomato seed germinates 90% of the time. A backyard farmer planted 25 seeds.
a. What is the probability that exactly 20 germinate?b. What is the probability that 20 or more germinate?c. What is the probability that 24 or fewer germinate?d. What is the expected number of seeds that germinate?
what are the probability of you having the disease?
Rachel's doctor suspects she is suffering from hypoglycaemia. The amount of glucose in the bloodstream varies and a person with hypoglycaemia has an average blood glucose level of less than 65 mg/dL.
Formulate the null and alternative hypotheses. Determine the criterion for rejection or non-rejection of the null hypothesis.
In a poll of 400 randomly selected voters, 204 of them support the strategist's candidate. At = .05, is the political strategist's claim warranted?
Chi-square test for goodness of fit - difference in the use of the four entrances?
If researcher obtains sample mean of M = 88, which combination of factors is most likely to result in rejecting null hypothesis?
Suppose the salary of assembly line workers has Normal distribution with mean of $20,000, and standard deviation of $3,000.
Suppose a simple random sample of size 57 is selected from a population with = 11. Find the value of the standard error of the mean in each of the following cases. The population size is infinite.
Prepare an analysis of your selected article. Start by identifying and summarizing the hypothesis described in the article. Then explain whether the hypothesis was rejected or accepted, and what the implications of this finding are for the study.
SmartMinds University is running a promotional raffle that offers a chance to win either a 1-year discount on tuition cost (which results in a $500 savings) or a 2-year discount on bookstore purchases. Is this promotion worth it if the tickets cost..
What do we mean by confidence intervals - provide an example that illustrates your answer. Suppose we were to apply 95% and 99% confidence to your study results.. how might your result differ and why?
The combined production level should not exceed 1200 units per month. The demand for product II is no more than half the demand for product I.
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