Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
The number of magazine subscriptions per house hold is represented by the following probability distribution.
Magazine subscriptions per house hold - 0, 1,2,3,4Probability - .48, .35, .08, .05, .04
a) Calculate the mean number of Magazine subscriptions per house hold.b) Find the standard deviation
2.A construction company has bid on two contracts. The probability of winning contract A is.3. If the company wins contract A, the probability of winning contract B is .4. If the company loses contract A, the probability winning contract B decrease to .2. Find the probability of the following events.
a) Winning both contractsb) Winning exactly one contractc) Winning at least one contract.
Suppose that the results of the sample lead to rejection of the null hypothesis. Classify that conclusion as a:
Each of the given z-scores, draw the normal distribution and sketch the vertical line at location of z-score, then find out whether body is to right or the left of line and determine the proportion in the body.
A 2007 study reported in Science magazine stated that fifth-grade teachers scored a mean of 3.4 (out of 7) points for "providing evaluative feedback to students on their work." Assume that the sample size was 36 and the sample standard deviation w..
A survey of 1,233 visitors to Mumbai last year revealed that 110 visited a small cafe during their visit. Laura claims that 10% of tourists will include a visit to a cafe.
The means of two normally distributed populations, where the unknown population variances are assumed to not be equal. What is the upper confidence limit is?
Explain how the marketing analyst can use independent samples to collect the data.
Assume that a sample is drawn and z(α/2) = 1.65 and σ = 35. Answer the following questions. (A) If the Maximum Error of Estimate is 0.04 for this sample, what would be the sample size?
Two percent of the parts from a production process are defective. A sample of five parts from the production process is selected. What is the probability that the sample contains exactly two defective parts?
To estimate the size of the bear population on the Keweenaw Peninsula, conservationists captured, tagged, and released 50 bears. One year later a random sample of 100 bears included only 2 tagged bears.
Past data reveals that the graduation rate was 72% for the medical school at a university. If 10 medical students are randomly selected for that school. Find the probability that only 4 of them will graduate.
What should the cut-off score be for the interviews? (Round to nearest whole number).
What is the probability of randomly selecting a sample of 30 scores which has a mean attention span equal to or greater than 17 minutes.
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd