+1-415-670-9189
info@expertsmind.com
Mean and standard deviation of number of correct answers
Course:- Basic Statistics
Reference No.:- EM13149037





Assignment Help >> Basic Statistics

A test consist of 30 multiple choice questions, each with five possible answers, only one of which is correct. find the mean and standard deviation of the number of correct answers.




Put your comment
 
Minimize


Ask Question & Get Answers from Experts
Browse some more (Basic Statistics) Materials
Queen's School of Business in Kingston, Ontario requires a minimum LSAT score of 157 for admission. What is the z-score for a score of 157? Round to three decimal places.a
A college's data about incoming freshmen indicates that the mean of their high school GPA was 3.4, with a standard deviation of 0.35. Let X=the GPA of an incoming freshman.
1. Assume that 328 people worked at the NJ facility in 2014 (NAICS Code 3359). Assume there were 24 recordable injuries listed on the OSHA 300 log with 3 injuries recorded a
If, in an analysis of variance, you find that MSTR is greater than MSE, why can you not immediately reject the null hypothesis without determining the F ratio and its distri
Flextime The number of companies offering flexible work schedules has increased as companies try to help employees cope with the demands of home and work. One flextime sched
According to an article, 19% of the entire US population have high-speed access to the Internet. Random samples of size 200 are selected from the US population.
Consider the following data points: (36, 88), (67.25, 224.7), (93, 365.3), (141.75, 687), and(483.8, 4332.1). (This was the data Kepler had when he was trying to find a rela
Suppose P(A) = 0.138, P(B) = 0.261, and the probability that a household is both prosperous and educated is P(A and B) = 0.082. What is the probability P(A or B) that the ho