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During a 36 year period, lightening killed 2768 people in the US. Assume that this rate holds true today and is constant throughout the year. Find the probability that tomorrow
a) no one in the US will be struck and killed by lighteningb) one person will be struck and killedc) more than one person will be struck and killed
There were 20 students in the class. Develop an ANOVA table for the regression analysis of hours studied as a predictor of the grade earned on the first statistics exam.
Construct a 95% confidence intervalfor the population proportion of positive drug tests. Why is the normality assumption not a problem despite the very small value of p?
Discuss whether this variable should be placed in the model as an ordinary quantitative variable or by means of four 0, 1 indicator variables.
The lives of many people are affected by a fear that prevents them from flying. An institute for public opinion conducted a poll of 1014 adults, 48%of whom were men.
Evaluate 2-month moving average and Exponential smoothing by MAD.
If p is the probability of Event 1 and (1-p) is the probability of Event 2, based on the expected returns, for what values of p would you select A? B? C? Values in the table are payoffs.
Level of education attained by the women from a rural region is divided into three categories: can read/write degree; primary degree; secondary and above degree
A business invests $10,000.00 in a savings account for 2 years, At the beginning of the second year, an additional $3500.00 is invested, At the end of the second year, the account balance is $15,569.75. What is the annual interest rate?
A random sample of 16 ages is drawn from the population, and we find the sample mean of these observations to be μ = 8.76
Event A occurs with probability 0.2. Event B occurs with probability 0.3. Event C occurs with probability 0.4. If A, B, and C are disjoint, then
A teller can process an average of 100 customers per hour, which also can be modeled by a Poisson distribution. If there is one teller on duty, determine:
You play a game with two possible outcomes. Outcome A has probability 0.4 and outcome B has probability 0.6. When B occurs you win $2.00; otherwise, you lose $1.00. What is your expected value for this game?
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