Find probability of getting at least six question correct
Course:- Basic Statistics
Reference No.:- EM13149019

Assignment Help >> Basic Statistics

A biology quiz consist of eight multiple choices question each with front possible answers. For student who makes random guesses for all answer find Mean, variance, standard deviation, the probability of getting exactly six question correct and the probability of getting at least six question correct.

Put your comment

Ask Question & Get Answers from Experts
Browse some more (Basic Statistics) Materials
What is the probability of her making 97 or more free throws in 118 trials? Round your standard normal variable to two decimal places before using the table of values?
Also report a 95% confidence interval for the difference in proportions (2007 versus 2010) and explain what information is provided in the interval that is not given in the
Demand for pools. Tropical pools sells an aboveground model for p dollars each. The monthly revenue from the sale of this model is given by..R= -0.08p^2 + 300p
In 1969, Ken Thompson of AT&T Bell Labs was looking for a computer to create what, eventually, became the fi rst Unix system. He found an unused PDP-7 minicomputer, which he
Consider a 3-year life annuity on (60). The sequence of payments (beginning at time 0) is 4, 2, 1. What should r be so that there is at least a 95% chance that premiums will c
a. Differences in age between husbands and wifes ( husband age minus wife age) of married couples have a distribution that approximately follows the normal curve with a mean
The baggage truck has a mass of 800 kg and is used to pull each of the 300-kg cars. Determine the tension in the couplings at and if the tractive force on the truck is F =
Let the random variable X denote the number of emergency calls received by the campus police office each day. The probability mass function of X is given by: