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If you could please help with questions 3,5,6,7,and 8. IF YOU COULD PLEASE ANSWER ALL THESE QUESTIONS : Assume that the weight loss for the
If you could please help with questions 3,5,6,7,and 8. IF YOU COULD PLEASE ANSWER ALL THESE QUESTIONS : Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution. Find the probability of the given range of pounds lost 3. Between pounds and 9 pounds A 1/2 B 1/3 C) 1/4 D) 3/4 If Z is a standard normal variable, find the probability 4. The probability that lies between -2.41 and 0 A ) 0.4910 B ) 0.5080 C ) 0.4920 D ) 0.0948 5.P(Z >0.53) A)0.2776 B)0.2190 C)0.2981 D)0.8485 6. The probability that Z is less then 1.15 A) 0.8708 B)0.1292 C)0.8749 D)0.848 - 7. A thermometer is randomly selected and tested. Find the temperature reading corresponding to the given information. Assume that the mean reading is 0 degrees Celsius and the standard deviation of the readings is 1.00 degrees Celsius. Find the 96th percentile . A) 1.82 degrees B ) 1.75 degrees C ) 1.03 degrees D ) - 1.38 degrees - 8.Assume that X has a normal distribution, and find the indicated probability The mean M = 15.2 and the standard deviation is sigma = 0.9 Find the probability that X is between 14.3 and 16.1 A) 0.8413 B) 0.3413 C)0.1587 D ) 0.6826 - 11. A poll of 1300 randomly selected students in grades 6 through 8 was conducted and found that 44% enjoy playing sportsIs the 44% result a statistic or a parameter? A) statistictic B ) paramater - 16.Use the margin of error, confidence level, and standard deviation a to find the minimum sample size required to estimate unknown population mean .Margin of error: $126, confidence level: 95%,o = $551 A ) none of these B ) 74 C ) 69 D) 67 - 21. Use The given degree of confidence in sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution. The football coach randomly selected ten players and timed how long each player took perform a certain drill. The times ( in minutes ) were: 5.2,5.4, 5.2, 5.8,5.0,5.4, 5.4 ,5.7,5.4,5.8 Determine a 95 percent confidence interval for the mean time for all players , rounding may not match D A) 5.15 < u < 5.71 B ) 5.61 < u < 5.25 C ) 5.25 < u < 5.61 D)5.71
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