we have the following, mean=355.59, standard deviation=188.54.
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Q: Sergio is doing a long hike and is carefully calculating his pack weight. An energy bar has mean…
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A: Mean = 40756Standard deviation = 7000P(X > 40000) = ?
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- What is the cost for the 3% highest domestic airfares?
- Use the norm.inv to check the answer for q1.
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- The mean grade in the Physics examination was 73 and the standard deviation was 8. Determine the following: a. The standard scores corresponding to a grade of 86. b. This grade of the student whose standards score is -0.8A manufacturer of bolts has a quality-control policy that requires it to destroy any bolts that are more than 4 standard deviations from the mean. The quality control engineer knows that the bolts coming off the assembly line have mean length of 13 cm with a standard deviation of 0.05 cm. For what lengths will a bolt be destroyed? Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to one decimal place as needed.) OA. A bolt will be destroyed if the length is less than OB. A bolt will be destroyed if the length is greater than cm. OC. A bolt will be destroyed if the length is between OD. A bolt will be destroyed if the length is less than cm. KOTE cm and cm. cm or greater than cm.The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. What is the minimum weight of the top 2% of players? Do Not Use Excel. Show the formula used and show your work. Use Z table if neccessary. Group of answer choices 151.75 pounds 251.25 pounds 148.75 pounds 158.25 pounds
- The latest SAT scores are out. The average SAT score for graduating seniors is 1059, and the standard deviation is 210. An exclusive academic fraternity wishes to contact those scoring in the the top 1% on the SAT. What score is required for you to make the cut? (Please round your answer to a whole number, eg 1014.)Calculate the answer: Given n=27 and p30.75. What is the stndrd deviation? Choose. + Choose. Given n=12 and p30.45. What is the stndrd deviation? 4.095 2.973 Given n=27 and p30.75. What is the mean? 2.25 1.944 20.25 Given n=18 and p=0.7. What is the mean? 21.25 12.6 Given n=18 and p30.7. What is the stndrd deviation? 2.543 1.723A bag contains 5 blue chips and 6 yellow chips. Suppose that 5 .chips are randomly selected What is the probability that exactly three of the selected ?chips are blue color 2/11 O 3/11 O 5/77 O 5/11 O 25/77 O
- This looks like another problem. Read carefully. Sergio is doing a long hike and is carefully calculating his pack weight. An energy bar has mean weight 1.71 ounces and standard deviation 0.037. The weights of the bars are independent. A juice box has mean weight 7.1 ounces and standard deviation 0.25. The weights of the juice boxes are independent. If he takes 3 energy bars and 5 juice boxes, what will be the MEAN of the total weight in pounds from these items? Hint: If W is the weight in ounces, then W/16 is the weight in pounds.Students must have GPAs in the top 7.5% of the school to be accepted into the honour society. When the average GPA is 2.92 with the standard deviation of 0.29, what GPA do you have to have to be accepted? Show all your work. Round off to 100th.The speed vehicles traveled on a local highway was recorded for one month. The speeds ranged from 47 mph to 62 mph with a mean speed of 55 mph and a standard deviation of 6 mph. The quartiles and median speeds were 50 mph, 59 mph, and 52 mph. Suppose increased patrols reduced speeds by 7%. Find the new mean and standard deviation. Express your answer in exact decimals. Choose the best answer below: A. Mean: 3.85 mph, SD: 0.42 mph B. Mean: 58.85 mph, SD: 6.42 mph C. Mean: 51.15 mph, SD: 6 mph D. Mean: 58.85 mph, SD: 6 mph E. Mean: 51.15 mph, SD: 5.58 mph