Probability-central limit theorem
A population has the mean of 180 and the standard deviation of 24. A sample of 64 observations will be taken. The probability that the sample mean will be between the 183 and 186 is
a.0.1359
b 0.8185
c. 0.3413
d. 0.4772
Expected delivery within 24 Hours
If random samples, each with n = 4 scores, are selected from a normal population with MK = 80 and o=10, then the distribution of sample means would have a standard error of __________ .
An automotive repair shop has determined that average service time on the automobile is 2 hours with the standard deviation of 32 minutes. A random sample of 64 services is chosen.
If random samples, each with n = 25 scores, are selected from a normal population with u, = 80 and a = 20, and the mean is calculated for each sample, then an average distance between M and u would be.
h of the following is an example of a fixed asset?
Find out the standard error of the sample mean.
What dividends are preferred stockholders entitled to receive in current year before any distribution is made to common stockholders?
assume you want to test the claim the paired sample data given below come from a population for which the mean difference is mean d = 0.
The mean return for a random sample of 33 mutual funds is 14.93 percent with a standard deviation of 9.57. Make a 95 percent confidence interval for the population mean.
1928793
Questions Asked
3,689
Active Tutors
1445671
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A client has a habit of mouthbreathing involving teeth 13-23. The tissue is red, swollen with a loss of stippling in that area and the radiographs reveal
Is training for first responders (law enforcement) an adequate enough response to treat with cognitive impairments and other brain disorder
Question: What is the BEST indicator for diagnosis of implant failure? Question options: presence of mobility pain around the implant plaque
Home irrigation devices designed for targeting direct subgingival delivery have a positive effect on subgingival microorganisms at probing
A client presents with a lateral radiolucency on the mesial root of tooth 46. There is a 6 mm pocket in that location and bleeding on probing
The dental hygienist uses a handheld syringe to irrigate the posterior molars following a deep debridement of 6 mm pockets.
Question: A client is using a toothpaste with postassium nitrate. What is the role of the potassium nitrate in this toothpaste?