Suppose that the current measurements in a strip of wire are assumed to follow a normal distribution with a mean of 10 milliamperes and a standard deviation of 2 milliamperes. What is the probability that a measurement exceeds 13 milliamperes? What is the probability that a current measurement is between 9 and 11 milliamperes?
Suppose that the current measurements in a strip of wire are assumed to follow a normal...
It is assumed that the test results for a class follow a normal distribution with a mean of 78 and a standard deviation of 36. If you know that a student's grade is greater than 72, what is the probability that it is greater than 84?
Glucose levels in patients free of diabetes are assumed to follow a normal distribution with a mean of 111 and a standard deviation of 10. You select a sample of 64 people. What is the probability of getting a sample mean of greater than 108? .0082 .9918 .3821 .6179
1 Diastolic blood pressures are assumed to follow a normal distribution with a mean of 87 and a standard deviation of 10. a. What proportion of people have diastolic blood pressure less than 90? n have diastolic blood pressur c. If someone has a diastolic blood pressure of 100, what percentile is he/she in? 2. Suppose that the average Lehman College student reports using social media like Facebook and Snapchat an average of 6 hours a week, with a standard...
Question3: Consider the following 11 independent measurements from a normal distribution: Independent measurements 12 21 20 11 13 9 15 16 17 20 18 1. What is the standard error of the sample mean? 2. Calculate a 99% confidence interval for the population mean.
1.Heights of 10 year olds, regardless of gender, closely follow a normal distribution with mean 55 inches and standard deviation 6 inches. What is the probability that a randomly chosen 10 year old is shorter than 48 inches? 2. Heights of 10 year olds, regardless of gender, closely follow a normal distribution with mean 55 inches and standard deviation 6 inches. What is the probability that a randomly chosen 10 year old is between 60 and 65 inches? 3.Heights of...
Claims filed under auto insurance policies follow a normal distribution with mean 19,400 and standard deviation 5,000. What is the probability that the average of 25 randomly selected claims exceeds 20,000?
Question 4 (10 points): A distribution of measurements is relatively mound-shaped with mean 45 and standard deviation 15 (a) What proportion of the measurements will fall between 30 and 60? (b) What proportion of the measurements will fall between 15 and 75? (c What proportion of the measurements w fall between 30 and 75? (d) If a measurement is chosen at random from this distribution, what is the probability that it will be greater than 60?
Suppose that internal body temperatures of adults, that are 20 or older, follow a normal distribution with mean 36.42°C and standard deviation .48°C What is the probability that the internal body temperature of a randomly selected adult is found to be greater than 37.8°C
Assume that the weights of bananas follow a Normal distribution with a mean of 115 grams, and a standard deviation of 19 grams. Suppose that a store receives weekly shipments of 13 Bananas. The store owner will reject the shipment if the average weight is below 111.89g. What is the probability that the next shipment of Bananas is accepted by the store owner?
Suppose the diastolic blood pressure of females follow Normal distribution with Mean = 80 and Standard deviation - 3. The probability that the diastolic blood pressure of a female is greater than 78 is given as None 0.5138 0.7475 0.2392 0