Probability of getting exactly four correct answers
Question: A multiple-choice test has 30 questions and each one has five possible answers, of which one is correct. If all answers were guesses, find the probability of getting exactly four correct answers.
a) .0604
b) .1325
c) .2552
d) .8000
Now Priced at $20 (50% Discount)
Recommended (92%)
Rated (4.4/5)
An insurance sales representative sells policies to 5 men, all of identical age and in good health. According to the actuarial tables, the probability that a man of this particular age will be alive 30 years hence is 2/3.
In 2014, Hollis Corporation reported net income of $1,081,000. It declared and paid preferred stock dividends of $271,800. During 2014, Hollis had a weighted average of 207,100 common shares outstanding.
A chi-square goodness-of-fit test is to be performed. The relative frequencies for the null hyupothesis and the sample size are given. True or false, the assumptions for using a chi-square goodness-of-fit test are satisfied?
What is the magnitude and direction of the electric field a distance of 5×10-7m from an electron? How much charge would you have to put on a sphere of radius 30mm to get an electric field of 7.5×104NC-1150mm from the sphere?
Develop appropriate formulas for determining the total premium, net of any incentive credit in one policy period of three years under each of the two suggested plans.
A random sample of n = 36 measurements is selected from a population with mean equal to 5 and standard deviation 3. What is the probability that the sample mean will exceed 6?
Only 2% of a large population of 100-ohm gold-band resisters have resistance that exceed 105 ohms. What is the probability that the proportion of resisters with resistance exceeding 105 ohms in a random sample of 400 will be less than 3%?
A box contains 4 blue marbles, 1 red marbles, and 6 green marbles. Two marbles are selected at random from the box. If X is a random variable that counts the number of blue marbles selected, find the probability that one blue marble is chosen.
1942139
Questions Asked
3,689
Active Tutors
1451638
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Cost-Reduction Initiatives: Identify cost-reduction initiatives and state how you would operationalize them within the healthcare environment
My PICOT question is, in older adults in the hospital setting, how does implementation of a nurse-led fall prevention program compared to a traditional f
Public health informatics uses public health knowledge to broaden the public health knowledge base through learning. improve population health in daily practic
In Brazil people use to take this medicine called "Dipirona". What is it's ingredient and what equivalent options do we have here in Australia?
An ill or injured patient may have suffered from damaged tissues that the cell cycle, including mitosis, won't naturally repair or replace.
Public health informatics is used to create programs such as CDC's Flu View and the COVID.19 Data Tracker to represent data visually.
Cost-Reduction Initiatives: Identify cost-reduction initiatives and state how you would operationalize them within the healthcare environment.