illness period: mean = 4 days, standard deviation = 2 days
What is the probability that for a case load of 6 patients, their combined illness period is less than 27 days?
What is the probability that for a case load of 5 patients, their average illness period is less than 3 days?
What is the probability that for a case load of 5 patients, their combined illness period is more than 22 days?
What is the probability that for a case load of 6 patients, their average illness period is more than 5 days?
illness period: mean = 4 days, standard deviation = 2 days What is the probability that...
illness period: mean = 4 days, standard deviation = 2 days What is the probability that for a case load of 6 patients, their combined illness period is less than 27 days? What is the probability that for a case load of 5 patients, their combined illness period is more than 22 days?
incubation period: mean = 8 days, standard deviation = 3 days What is the probability that for a case load of 7 patients, their combined incubation period is less than 58 days? What is the probability that for a case load of 7 patients, their combined incubation period is more than 59 days? What is the probability that for a case load of 5 patients, their average incubation period is less than 6 days? What is the probability that for...
incubation period: mean = 8 days, standard deviation = 3 days What is the probability that for a case load of 7 patients, their average incubation period is more than 6 days?
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean H 141 days and standard deviation a (a) What is the probability that a randomly selected pregnancy lasts less than 137 days? The probability that a randomly selected pregnancy lasts less than 137 days is approximately (Round to four decimal places as needed) Interpret this probability. Select the correct choice below and fill in the answer box within your choice (Round to the nearest...
1) The lengths of pregnancies of humans are normally distributed with a mean of 268 days and a standard deviation of 15 days. Find the probability of a pregnancy lasting less than 250 days. 2) The lengths of pregnancies of humans are normally distributed with a mean of 268 days and a standard deviation of 15 days. Find the probability of a pregnancy lasting more than 300 days. 3) An airline knows from experience that the distribution of the number...
A normal population has mean = 9 and standard deviation -5. (a) What proportion of the population is less than 19? (b) What is the probability that a randomly chosen value will be greater than 4? Round the answers to four decimal places. Part 1 of 2 The proportion of the population less than 19 is Part 2 of 2 The probability that a randomly chosen value will be greater than 4 is : A normal population has mean =...
The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual For a sample of n=62, find the probability of a sample mean being less than 22.2 it-22 and 1.24 Click the icon to view page 1 of the standard normal table. EIB Click the icon to view page 2 of the standard normal table 124 is For a sample of n=62, the probability of a sample...
A normal population has a mean of 57 and a standard deviation of 14. You select a random sample of 16. Round to 4 decimal places. a. 33% of the time, the sample average will be less than what specific value? Value b. 33% of the time, the value of a randomly selected observation will be less than h. Find h. h c. The probability that the sample average is more than k is 22%. Find k.
The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of =64 , find the probability of a sample mean being less than 22.2 if u=22 and =1.27. For a sample of =64, the probability of a sample mean being less than 22.2 if μ=22 and σ=1.27 is ____(Round to four decimal places as needed.) Would the given sample mean be considered unusual?...
The gestation period for cats has an approximate mean of 64 days and a standard deviation of 3 days, and the distribution of the gestation period is approximately Normal. What proportion of kittens have a gestation period between 62 days and 70 days? Round to two decimal places. O 0.98 O 0.73 0 -0.67 O 2.0