Assume that the time it takes the housekeepir Calculate the mean and variance for the distril Select one: O a. 37.5 and 50.08 O b. 15.5 and 50.08 O c. 51.2 and 36.6 O d. 37.5 and 78.5
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
![Assume that the time it takes the housekeeping crew of a local hotel to clean a room varies uniformly between 25 and 50 minutes.
Calculate the mean and variance for the distribution.
Select one:
O a. 37.5 and 50.08
O b. 15.5 and 50.08
O c. 51.2 and 36.6
O d. 37.5 and 78.5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fadc48c02-4caa-47b1-a421-9d36e70c8be8%2Fdccc64e0-938c-4e5d-8548-4c9e94d63eab%2F2rdb5yv_processed.png&w=3840&q=75)
![If the weights of 8000 men follows a normal distribution with mean 67 kg. and the standard deviation 10 kg. If another man was
selected randomly, find the probability that his weight is between 60 and 80 kg
Select one:
O a. 0.6612
O b. 0.754
O c. 0.6541
O d. 0.741](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fadc48c02-4caa-47b1-a421-9d36e70c8be8%2Fdccc64e0-938c-4e5d-8548-4c9e94d63eab%2Fts67i4i3_processed.png&w=3840&q=75)
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