Each question has 4 possible answers of which one is

Assignment Help Basic Statistics
Reference no: EM13576626

A multiple choice test consists of 60 questions. Each question has 4 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 20% correct.

Reference no: EM13576626

Questions Cloud

A part randomly chosen is inspected and found to be : ace machine works estimates that the probability its lathe tool is properly adjusted is 0.8. when the lathe is properly
The probability the second truck is available is 51 and : all seasons plumbing has two service trucks that frequently need repair. if the probability the first truck is
According to consumer digest julyaugust 1996 the probable : according to consumer digest julyaugust 1996 the probable location of personal computers pc in the home is as
Find the probability that 70 randomly selected washing : suppose that replacement times for washing machines have a mean of 9.3 years and a standard deviation of 1.1 years.
Each question has 4 possible answers of which one is : a multiple choice test consists of 60 questions. each question has 4 possible answers of which one is correct. if
A silver dollar is flipped twice calculate the probability : a silver dollar is flipped twice. calculate the probability of each of the following occurringa a head on the first
Gary schwartz is the top salesman for his company records : gary schwartz is the top salesman for his company. records indicate that he makes a sale on 70 of his sales calls. if
Suppose that a certain college class contains 65 students : suppose that a certain college class contains 65 students of these 35 are seniors 37 are economic majors and 7 are
General hospitals patient account division has compiled : general hospitals patient account division has compiled data on the age of accounts receivable. the data collected

Reviews

Write a Review

Basic Statistics Questions & Answers

  Standard deviation for the united state population

For adults 60 years or older, they found a mean daily intake of 721 mg with a standard deviation of 454 mg. Using these values for the mean μ and standard deviation σ for the U.S. population:

  Making linear regression equation

Find out the best predicted household size given that the household discards 5.00 lb of plastic.

  Constructing histogram in excel

A large internet retailer, is studying the lead time (elapsed time between when an order is placed and when it is filled) for a sample of recent orders. The lead times are reported in days.

  Computing average daily rainfall in week

Compute average daily rainfall in the week and for weekends. Get the average of weekdays' rainfalls and average of weekend's rainfalls.

  When considering the comfort and safety

When considering the comfort and safety of the passenger which result is more relevant . the result from (a) or the probability from part (B) ? Pls explain why

  A photo-sharing startup offers

A photo-sharing startup offers the following service. A client may upload any number N of photos and the server will compare each of the N pairs of photos with their proprietary image matching algorithms to see if there is any person that is in bo..

  Modelling by a poisson distribution

A teller can process an average of 100 customers per hour, which also can be modeled by a Poisson distribution. If there is one teller on duty, determine:

  Create a left-sided power curve using increments

Find the β risk and power assuming that the true mean is really 380 square feet per gallon. (b) Construct a left-sided power curve, using increments of 5 square feet (400, 395).

  Probability distribution and cumulative probability

Find out the probability distribution, and the cumulative probability distribution of car arrivals.

  Determining sampling technique

After polling every 8 th graduate, a major university estimated annual salary of its alumni to be $103,000.  What sampling technique was used?

  Waiters report for work to minimize total staff required

How many waiters and busboys should report for work at the start of each time period to minimize the total staff required for one day's operation.

  Significance level what conclude-theory is a natural cycle

Using the 0.05 significance level what should we conclude about the theory that 24hrs. is a natural cycle? a) use hypothesis steps b) sketch distribution c) explain to someone who never took this course.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd