Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
1. The heights of eighteen-year-old men are approximately normally distributed with a mean (µ) of 68 inches and a standard deviation (σ) of 3 inches. What is the probability that an eighteen-year-old man selected at random is taller than 70 inches?2. Suppose that, instead of randomly selecting one 18-year-old male, you randomly select ten 18-year-old males. What is the probability that the average height for these 18-year-old males is more than 70 inches?
3. The average age for employees at an amusement park is 24 years old with a standard deviation of 2.5 years. Suppose random samples of 40 employees are selected. What would the distribution of average ages from samples of this size look like? Why?
4. What would the average be for all sample means from samples of this size?
5. What would the standard error be for all sample means from samples of this size?
6. What is the probability if you randomly selected 40 employees and averaged their ages together that the sample mean would be between 23 and 25 years?
find the probability distribution for the number of jazz cds when 4 cds are selected at random from a collection
brian a landscape architect submitted a bid on each of three home landscaping projects. he estimates that the
The long distance calls made by the employees of a company are normally distributed with a mean of 6.3 minutes and a standard deviation of 2.2 minutes. find the probability that a call
Seven employees who have formed a car pool. If only three of these employees can drive, how many possible seating arrangements are there for the group?
the wayne manufacturing company purchases a certain part from suppliers a b and c. suppler a supplies 65 of the parts b
a study is conducted to compare mean cholesterol levels for individuals following a low carbohydrate diet for at least
consider a normal population with mu25 and sigma8.0.a. calculate the standard score for a value x of 23b. calculate the
Let us speek where the preceding data are representative of the entire sector of retail sales companiesSuppose the annual profits are more than 6.5 thousand $ every employee.
the average score for 49 teenage boys playing a certain computer game was 75000 points per player. if the standard
The mean time to download an Google video is 1 minute 30 seconds. Suppose the download time is normally distributed with standard deviation of 20 seconds.
The data show the amounts (in thousands of dollars) of the contracts for soft drinks in randomly selected local school districts. Ata = 0.10, can it be concluded that there is a difference in the averages? Use the P-value method
can someone please help me with finding these critical z scores.1. what is z critical for a positive one-tailed test
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd