(Answered) Question multiple choice a multiple choice test has 50

Statistics

Question: Multiple choice. A multiple choice test has 50 questions, with 4 answer choices each. You must get at least 30 correct to pass the test, and the questions are very difficult.

a) Are you likely to be able to pass by guessing on every question? Explain.

b) Suppose, after studying for a while, you believe you have raised your chances of getting each question right to 70%. How likely are you to pass now?

c) Assuming you are operating at the 70% level and the instructor arranges questions randomly, what s the probability that the third question is the first one you get right?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92551654
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Lt x be a normally distributed random variable with mu

Let X be a normally distributed random variable with μ = 100 and σ = 10. Find the probability that X is between 80 and 105. (Round your answer to the nearest whole number percent and include the percent symbol.)

In a random sample ofnbsp50nbsprefrigerators the mean

In a random sample of 50 ?refrigerators, the mean repair cost was ?$146.00 and the population standard deviation is ?$17.80. Construct a 90?% confidence interval for the population mean repair cost. Interpret the results ...

How can i describe the relationship between diversifiable

How can I describe the relationship between diversifiable risk and total risk, along with the role of Beta?

For a recent evening at a small old-fashioned movie theater

For a recent evening at a small, old-fashioned movie theater, 25% of the moviegoers were female and 75% were male. There were two movies playing that evening. One was a romantic comedy, and the other was a World War II f ...

What do we mean by financial intelligence how to assess a

What do we mean by financial intelligence? How to assess a company's health? Use the plain language to define operating experience, capital expenditure, accruals, depreciation, and goodwill. Describe differences between ...

The mean time it takes a technician to resolve a software

The mean time it takes a technician to resolve a software Issue is 18 minutes with a standard deviation or 4.2 minutes. This information was obtained from a random sample of 10 monitored calls. A sample of 15 monitor cal ...

1 the personnel office at a large electronics firm

1. The personnel office at a large electronics firm regularly schedules job interviews and maintains records of the interviews. From the past records, they have found that the length of a first interview is normally dist ...

A study discovered that americans consumed an average of

A study discovered that Americans consumed an average of 10.7 pounds of chocolate per year. Assume that the annual chocolate consumption follows the normal distribution with a standard deviation of 3.1 pounds. Complete p ...

Question 1let x represent the height of first graders in a

Question 1 Let x represent the height of first graders in a class. This would be considered what type of variable: A)Continuous B)Discrete C)Nonsensical D)Lagging Question 2 Let x represent the height of corn in Oklahoma ...

Analysis of variance anovaan investigator compares the

Analysis of variance (ANOVA) An investigator compares the difference in the amount of 20% sucrose solution removed by pollinators between unadulterated solution and solutions with 50, 100, 150, and 200 parts per million ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert