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The pulse rates for 13 adult women were as follows. Construct a 0.95 confidence interval for the mean pulse rate. (Give your answers correct to one decimal place.)
81 76 103 77 89 70 90 92 95 69 59 78 71
Lower limit :
Upper limit:
Find the mean and standard deviation for the numbers of boys in groups of 51. b) Is the result of 39 boys unusual? Does it suggest that the gender-selection method appears to be effective?
a family has 8 children .they wants to take a photo of them sitting in a single line. in how many different ways can
Air-America has a policy of booking as many as 14 people on an airplane that can seat only 12. (Past studies have revealed that only 92% of the booked passengers actually arrive for the flight.)
A company selects five of the machines at random, thinking all are in working condition. What is the probability that all five of the machines are nondefective?
Using the empirical rule what percentage of adults is 25 - 45 has iq score bet 70 and 130.
Find the critical value to test the claim that all ages have purchase rates proportional to their driving rates.
when the variances of the population distribution and the sampling distribution of means are compared thea. variences
The median of 1.50 is a better measure of the center than the mean of 34.83 because of the outlier value of 414 seconds. What is the sample variance and standard deviation for these 30 numbers?
A random sample of 5 parks is selected and the number of acres is shown at alpha= 0.05, find the critical value. 944, 1036, 790, 5842,566
Complete the ANOVA table. Carry out a test of hypothesis on each of regression coefficients. Could you delete any of the variables?
What is predicted value for National Health Expenditure as a % for 2010? What is the 95% confidence interval for your estimate? Does the trend continue? Does year impact expenditure?
Rob Johnson is a product manager at Diamond Chemicals, which is considering whether to launch a new product line that will require it to build a new facility.
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