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You are conducting a study to see if the accuracy rate for fingerprint identification is significantly more than 84%. With H1 : p > 84% you obtain a test statistic of z=2.903. Find the p-value accurate to 4 decimal places.
p-value =
The gym has developed the regression model to forecast demand for trainers Demand = 185 + (.15*advertising expenditures)-(.05*doughnuts) + (.23*swim gear sales)
(Deciles.) The 10th, 20th, 30th, 40th, 50th, 60th, 70th, 80th, 90th, and 100th percentiles for X are called its deciles.
Suppose that the cars have been categorized according to whether the car needs warranty-related repair (yes or no) and the country in which the company manufacturing the car is based
A brand of television has a lifetime that is normally distributed with a mean of 7 years and a standard deviation of 2.5 years. What is the probability that a randomly chosen TV
In a random survey of 226 college students, 20 reported being only children (with no siblings). Estimate the proportion of students nationwide who are only children.
In a large department store a customer-complaints office handles an average of six complaints per hour about the quality of service.
The sample results are given below. At the 0.10 significance level, test the claim that response and major are independent.
What are the possible values of the stock after two days, and what is the probability for each value? What is the probability that the stock is worth more.
in the telephone survey technique introduced in exercise 6.5 what is the probability of two or fewer successful calls
How many data points can she use in a regression analysis using the data provided.
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Research question: At α = . 05, does vehicle type vary by mall location?
Can we conclude at a 98% level of confidence, that the mean number of hours per day using the computer by students at IUP is the same as the typical student's usage?
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