The following information is taken from Johnson & Johnson's annual reports. Its common stock is listed on the New York Stock Exchange, using the symbol JNJ. Year 2016 2017 2018 2019 2020 Johnson & Johnson Domestic Sales International ($ million) Sales ($ million) 34,079 36,587 39,697 37,811 39,863 41,884 39,962 43,133 Click here for the Excel Data File 42,097 39,451 Employees (thousands) 130.0 137.6 138.7 135.8 139.1 Using the period 2016 to 2017 as the base period, compute a simple index of the number of employees for each year from 2018 to 2020. Note: Round your answers to 2 decimal places. The index (2016 to 2017 = 100) for selected years is:

Matching Question In a sample of 25 ultra-green cars, seven of the cars obtained over 100 miles per gallon (mpg). Match the following for the construct of a 90% confidence intervals for the population proportion of all ultra-green cars that obtain over 100 mpg (i) Instructions a/2 population proportion p bar Z Lower end of confidence interval Upper end of confidence interval 2 |||||

For the month of April a checking account has a balance of $564 for 23 days, &2466 for 3 days, and $236 for 4 days. What is the account's mean daily balance for April?

The table to the right is based on the assumption that 1% of breast tumors are malignant. It also assumes that mammogram screening is 90% accurate. Complete parts (a) through (c) below. Positive Mammogram Negative Mammogram Total % (Type an integer or decimal rounded to the nearest tenth as needed.) b. What is the chance of a positive mammogram, given that the patient has cancer? % (Type an integer or decimal rounded to the nearest hundredth as needed.) Tumor is Tumor is Malignant Benign 90 1206 a. Suppose a patient has a positive mammogram. What is the chance that she really has cancer? 10 100 8694 9900 % (Type an integer or decimal rounded to the nearest tenth as needed.) c. Suppose a patient has a negative mammogram. What is the chance that she actually does have cancer? Total 1296 8704 10,000

Assume that a recent survey suggests that about 79​% of adults have heard of the brand.   n=

what is the annual income of a household in the 90th percentile of annual household income in maryland

20171.18 46831.5 21789.85 4828.121 14684.72 -12813.6 24519.65 73135.66 29135.23 42180.99 2261.035 52749.12 41403.37 26760.47 32546.79 17728.36 -2407.25 39998.17 9780.605 45741.21 37178.78 33696.61 43259.29 26814.31 31291.52 37175.38 50136.51 55886.29 8696.373 30507.27 69778.96 52346.39 -13641.8 24661.96 9746.476 50024.07 78575.84 26692.57 38463.91 30145.11 40459.87 10816.03 14662.31 44380.93 34686.81 30315.94 18222.65 39422.52 43345.67 -2355.16 49109.01 21361.93 32708.77 50170.42 11337.63 36858.01 19704.15 34739.6 10822.38 -1332.56 70582.65 45813.68 27238.56 36232.78 29583.19 51432.22 70353.96 49991.42 37953.37 24107.22 19944.66 22744.9 31955.78 53442.8 36301.04 Spreadsheet 2

11.1 The table showing the stock price changes for a sample of 12 companies on a day is contained in the Excel Online file below. Construct a spreadsheet to answer the following questions.   Company Price Change ($) Aflac 0.79 Bank of Am. 1.44 Cablevision -0.05 Diageo 0.93 Fluor Cp 0.42 Goodrich 0.20 John.&John. 1.33 Loews Cp 0.98 Nokia 2.36 SmpraEngy 0.51 Sunoco 0.29 Tyson Food 0.13 Open spreadsheet   a. Compute the sample variance for the daily price change (to 4 decimals).   b. Compute the sample standard deviation for the price change (to 4 decimals).   c. Provide 95% confidence interval estimates of the population variance (to 4 decimals).   _____<=Sigma^2<=______ d. Provide 95% confidence interval estimates of the population standard deviation (to 4 decimals).     _____<=Sigma<=______

Assuming the market research was done properly and the 40% is representative, how many sales are expected if the publisher attempts to sell to 5,000 homes?

A realtor is displaying the histogram below, which summarizes the percentage of appreciation in value (over the past five years) for each of a sample of 23 houses in Newburg Park. Based on the histogram, estimate the mean appreciation (in percent) for the houses sampled. Carry your intermediate computations to at least four decimal places, and round your answer to at least one decimal place.