Probability for the number of students in sample

Reference no: EM1319684

Dr. Richmond, a psychologist, is studying the daytime television viewing habits of college students. She believes 45 percent of college students watch soap operas during the afternoon. To further investigate, she selects a sample of 10.

a. Develop a probability for the number of students in the sample who watch soap operas.

b. Find the mean and standard deviation of this distribution.

c. What is the probability of finding exactly four watch soap operas?

d. What is the probability less than half of the students selected watch soap operas.

Reference no: EM1319684

Questions Cloud

Working with segmented income statement : In which of the markets would you recommend that the company focus its advertising campaign? Show computations to support your answer.

Potential for extreme sampling error : Impact on sampling of increasing sample size is: The potential for extreme sampling error is reduced.

Explaining troubleshooting : AV software has removed the malware from highly infected system. After first reboot, an error message is showed which consists of a reference to the strange DLL file which is missing. Explain two options you must use in order to start troubleshoot..

Describing lan and wan : Write down in words and describe the meanings of terms LAN and WAN. Explain how do they differ? State three basic topologies for LAN use, and describe the differences among then.

Probability for the number of students in sample : Develop a probability for the number of students in the sample who watch soap operas.

Computing femininity score from men in general : Do hotel managers on average vary significantly in femininity score from men in general?

Concept of normal probability distribution : The mean of a normal probability distribution is 60; the standard deviation is 5.

Creating the algorithm : We suppose that we are given a majority graph in order to generate agenda for managing the sequential majority kind of election.

Finding test statistics and its two-sided p-value : Find out the test statistic s and its two-sided P -value. Do data give good evidence that population mean is not zero?

User Account

All Pages