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A certain type of tomato seed germinate 90% of the times. if a farmer plants 25 seed ,What is the probability that: -exactly 20 germinates
-more than 19 germinates-fewer than 25 germinates
Consider random variables X and Y with a joint pmf, given in the following table. Compute the conditional expectations E[X|Y = 1] and E[X|Y > 1].
Find the regression equation and percentage of variance and test whether the equation is significant portion of the variance.
Using hypergeometric distribution, determine the probability that the sample of 6 will comprise 2 nonconforming watches?
The given data show the age distribution of top 14 doctors in emergency faculty of local hospital.
In a random sample of 35 trading days, the volume of a particular stock is recorded to determine whether the mean volume of the stock changed from its 2007 value of 35.14 million shares.
The average stock price for companies making up the S&P 500 is $30, and the standard deviation is $8.20. Assume the stock prices are normally distributed.
Find the probability of guessing (a) exactly three answers correctly, (b) at least three answers correctly, and (c) less than three answers correctly.
Provide the Null and Alternative Hypotheses testing statements for the following statement: There are only 24 hours in a day. What statistical tool would you now utilize to improve your business? Explain the Chi-Square Non-Parametric Testing Concept.
Complementation to describe each of the following events in terms of A1, A2, and A3, draw a Venn diagram, and shade the region.
Construct a 98% prediction interval for the selling price of a 4l- year old house having 4500 square feet, 13 rooms, and an attached garage.
Many newspapers, when reporting results of political polls, say that 'with 95% confidence, the results are in error by no more than ±3 percentage points'.
If the sample mean is 15.2 oz. and the sample standard deviation is 0.40 oz., find the 95% confidence interval of the true mean.
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