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Average number of mosquitoes in pond is 80 per square meter with a standard deviation of 12. If 16 square meters are choses at random for a mosquiot count, find probabilty that the average of those counts is more than 83.0 mosquitoes per square meter. Assume the variable is normally distributed.
Why can not we just do several two sample tests like we did in the last week. In your own words explain briefly also tell us what these are and what did it mean.
Calculate the sample mean and sample standard deviation.
Let's play a game. An urn contains five red, four green and one gold ball other than color, the balls are identical. You are blindfolded and allowed to pick a ball from the urn. Red pays $5, green pays $10 and gold pays $50.
At.05 significance level is it reasonable to conclude that it takes longer to determination software issues? Determine the p-value?
What is the probability that a random person has an IQ between 85 and 115? Find the 90th percentile of the IQ distribution.
A stock price is currently $100. Over each of the next two three-month periods, it is expected to increase by 10% or fall by 10%. Consider a six-month European call option with a strike price of $105.
These individuals are then examined and categorized as to whether they have a heart disorder. The observed frequencies are as follows:
What are examples of the populations parameters we are trying to estimate for sample data?
State the correct decision and give justification for your decision.
Test the hypothesis that the true Pearson correlation (p) is significantly different from zero. Provide a (p) value (two-tail) n=12. Correlation intake is .448 for the two recording methods.
Briefly describe co relational research. Name a variable from this study and one from the workplace that might prove to provide a co relational relationship
Here is a scatterplot of average crawling age versus average outdoor temperature six months after birth followed by a plot of the residuals versus average outdoor temperature six months after birth.
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