Birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz. Find the third quartile for this distribution?
Birthweights at a local hospital have a normal distribution with a mean of 110 oz. and...
At St. Eligius Hospital, the weights of newborn babies follow a Normal distribution, with a mean of 7.5 pounds and a standard deviation of 1.2 pounds. If Dr. Cavanero tells a mother that her newborn baby has a weight that is at the third quartile (or Q3), this means the baby must weigh approximately A. 6.66 pounds. B. 7.75 pounds. C. 8.34 pounds. D. 8.75 pounds. E. 9.05 pounds
16#14 a)The weights of American newborn babies follow a normal distribution with mean of 119.54 oz (about 7 pounds 8 ounces) and standard deviation of 0.69 oz In a random sample of 15 newborn babies, the mean weight was calculated to be 119.24 oz . Find the standard error of the sampling distribution. Round your answer to 4 decimal places. b) Using your answer to part (a) what is the probability that in a random sample of 15 newborn babies, the...
The weights of newborn baby boys at a local hospital are believed to have a normal distribution with a mean weight of 3415 grams and a variance of 136161. If a newborn baby boy born at the local hospital is randomly selected, find the probability that the weight will be less than 3669 grams
a. Time to finish a quiz in minutes follows a normal distribution with mean 6 and standard deviation .7. A student took 4.8 minutes. What is this student’s z-score? b. Time to finish a quiz in minutes follows a normal distribution with mean 6 and standard deviation .7. What proportion of students complete the quiz in less than 5.2 minutes? Use the normalcdf command on your calculator with 6 as the mean, .7 as the standard deviation, a very large negative...
The weight of newborn baby boys at a local hospital are believed to have a normal distribution with mean weight of 3943 grams and a variance of 51984. If a newborn baby boy born at hospital is randomly selected, find the probability that the weight will be between 4262 and 4353 grams. Round to 4
The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 4081 grams and a standard deviation of 575 grams. If a newborn baby boy born at the local hospital is randomly selected, find the probability that the weight will be between 4828 and 5001 grams. Round your answer to four decimal places. Answer Point Tables Keypad Keyboard Shortcuts If you would like to look up the value...
The birth weights of babies born at City General Hospital have a normal distribution with mean weight 7.5 pounds and standard deviation 1.0 pound. Approximately 98% of the babies will weigh between.. a) 5.5 and 9.5 pounds b) 6.0 and 9.0 pounds c) 6.5 and 8.5 pounds d) 4.5 and 10.5 pounds e) 7.3 and 7.7 pounds
Assume the time to complete a task has a normal distribution with mean 20 min. and standard deviation 4 min. Find the proportion of times that are BETWEEN 15 and 25 minutes? Note: Enter X.XX AT LEAST ONE DIGIT BEFORE THE DECIMAL, TWO AFTER and round up. Thus, 7 is entered as 7.00, 3.5 is entered as 3.50, 0.3750 is entered as 0.38 | | Assume the time to complete a task has a normal distribution with mean 20 min....
A tire company makes tires that have a normal distribution with a mean of 65,000 miles with a standard deviation of 3000 miles prior to needing replacement. Find the probability that a tire lasts no more than 62,500 miles A tire company makes tires that have a normal distribution with a mean of 65,000 miles with a standard deviation of 3000 miles prior to needing replacement. Find the probability that a tire lasts at least 68,500 miles. A tire company...
Birth weights of babies born to full-term pregnancies follow roughly a Normal distribution. At Meadowbrook Hospital, the mean weight of babies born to full-term pregnancies is 7 lbs with a standard deviation of 14 oz (1 lb 16 oz) 6. A) B) What is the probability that the total weight of the four babies will be more than 30 lbs? 0.0065 0.1265 C) 0.2839 D) 0.4858