Attached statistics Q&A
Attached statistics Q&A
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Regression Analysis Discussion
Regression analysis is a statistical tool that is used for two main purposes: description and prediction.Provide an example of an application using regression analysis for decision making in a hospital setting that involves either description or prediction.
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STRONG MATH HELP
HAVE ABOUT 50 QUESTIONS I NEED DO , STRONG MATH HELP ONLY, NEED THIS COMPLETE AND RETURNED BY 9 AM , FRIDAY MORNING EST.
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M3A1 MATH FOR MATH GURU
Consider the savings plan you developed in the discussion(file attached). How much did you determine you need to save each month? You do not need to repeat those calculations here, but just re-state your conclusion.With the 3.5% account, the monthly payments might be difficult to maintain, so you decide to wait 5 more years until you retire. What are your monthly payments with this plan?Suppose you can find an account that earns interest at 4% interest instead. How does that change your monthly payments? (You choose how long until you retire in this question.)State your conclusions and interpretations of these calculations.
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5th grade math problems (NEEDED ASAP
answer in word documentIn a batch of 12 cupcakes, 6 oz. of butter are used. In a batch of 60 cookies, 3 lb. of butter are used. Is there more butter in one cupcake or one cookie?rest of questions are in attachment
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FOR MATH GURUU
1. What is the average? 3 4 5 8A. 2B. 4C. 5D. 102. What is the median of these figure skating ratings?6.0 6.0 7.0 7.0 7.0 8.0 9.0A. 6.0B. 7.0C. 7.1D. 8.03. Two owners of a cattle ranch, Jo and Val, want to find the average weight for the ranch’s 200 cows. Instead of weighing all of the cows:Jo weighs 25 cows and gets an average weight of 1,350 pounds (stdev 50)Val weighs 100 cows and gets an average weight of 1,420 pounds (stdev 50)What is the margin of error for Jo’s sample? (The formula is 1.96 x(std Dev) / ) square root N,A. 10B. 20C. 50D. 5294. A media personality argues that global temperatures are not rising, because every year an increase is reported such as 0.08 degrees C. The difference from the previous year is less than the margin of error of about 0.15 degrees C, so that difference should be ignored. What is a strong counterargument?A. Even 0.08 degrees is a lot and thus should be considered.B. The margin of error is just extra information and thus can be ignored.C. The difference with any previous decade is much greater than the margin of error.D. 0.15 – 0.08 is 0.07, which is still an increase and thus should be considered.5. An article reports that blue eyed people earn less than brown eyed people, with these numbers: average blue-eyed salary $35,000, average brown-eyed salary $37,000, p-value 0.45. Based on that reported p-value, and using the common definition of “statistical significance,” which is the case?A. The results are nowhere near to being statistically significant.B. The results are almost but not quite statistically significant.C. The results are just barely statistically significant.D. The results are strongly statistically significant6. A group of 10 people is choosing a chairperson and vice-chairperson. They put all 10 people’s names into a hat. The first name drawn becomes chair. The second name drawn becomes vice-chair. How many possible combinations of chair and vice-chair are there?A.19B. 90C.100D.10! (10 factorial)7. A lock consists of 3 dials, where each dial has 4 letters. What is the probability of guessing the right combination in one try?A. 1/7B.1/12C. /24D. 1/648. About 8% of the U.S. population catches the flu each season. Assuming everyone has equal probability of catching the flu, about what are the odds of catching the flu in a given season?A. 1 in 8B. 1 in 12C. 1 in 18D. 1 in 809. Kay has an 80% probability of making a free-throw in basketball, and each free-throw is independent. Kay gets to take 2 free-throws, and must make both to win the game. What is the probability that Kay’s team will win the game?A. 64%B. 80%C. 88%D. 160% (so 100%10. A company gives each worker a cash bonus every Friday, randomly giving a worker an amount with these probabilities: $10 0.9, $50 0.1. Over many weeks, what is a worker’s expected weekly bonus?A. (10 + 50) / 2 = $30B. 10×0.9 + 50×0.1 = $14C. (10×0.9 + 50×0.1) / 2 = $7D. (10 + 50) / 10 = $611. Estimate the average by first rounding to the nearest 1,000:1,000 2,300 2,600A. 2000B. 3000C. 4200D. 600012. Both sets of values have an average of 13. Is Set A’s standard deviation smaller, larger, or about the same as Set B’s? (Note: This question can be answered by knowing the concept of standard deviation, without actually computing the standard deviation).Set A: 1 2 3 23 24 25Set B: 8 10 12 14 16 18A. SmallerB. LargerC. About the sameD. Unable to tell13. If a study determines the difference in average salary for subpopulations of people with blue eyes and people with brown eyes is NOT significant, then the populations of blue-eyed people and brown-eyed people are ________ different salaries.A. unlikely to haveB. very likely to haveC. guaranteed to haveD. guaranteed to not have14. How many values are in the range 35 to 95?A. 62B. 61C. 60D. 5915. A restaurant will select 1 card from a bowl to win a free lunch. Jo puts 5 cards in the bowl. The bowl has 100 cards. What are the odds of Jo winning a free lunch?A. 1/5B. 1/10C. 1/20D. 1/50016. A medication states that the odds of having an allergic reaction are 1 in 50. What is that probability states as a percent?A. 1%B. 2%C. 4%D. 5%17. A slot machine has 3 dials. Each dial has 30 positions, one of which is “Jackpot”. To win the jackpot, all three dials must be in the “Jackpot” position. Assuming each play spins the dials and stops each independently and randomly, what are the odds of one play winning the jackpot?A. 1/30 = 0.03 or 3%B. 3/(30+30+30) = 3/90 = 0.33 or 33%C. 3/(30×30×30) = 3/27000 = 0.0001 or 0.01%D. 1/(30×30×30) = 1/27000 = 0.00003 or 0.003%18. In any given year, a factory has a 20% probability of having an accident. About every how many years might the factory expect to have an accident?A. Every 1 yearB. Every 2 yearsC. Every 5 yearsD. Every 20 years
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Cassie has 8 red marbles and 12 yellow marble. Her mom doubles her red and yellow marbles for her birthday….
Cassie has 8 red marbles and 12 yellow marble. Her mom doubles her red and yellow marbles for her birthday. Use the distributive property to show how many marbles Cassie ha.
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Business statistics !! PLEASE READ
HiI have this homework I posted before but the tutring did it comletly wrong ! I refund my money and I post it again !please read the attachment before you send private chat !I want the answers for questions :13-14-15-16-17-18-19-20-21-22-25-26-27-28-29-30-31-35-40-41-42-43-44-45-46-47-48-49-60-78-82- (84 until 100)all of them are 46 qustions and all of them are multiple choise !!
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math matlab homework
Need to complete Q2,3,5,6,7 in 24hrsI think some questions require using MATLAB.
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discussion cybersecurity
please see attachment for details
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