Before the distribution of certain statistical software every fourth compact disk (CD) is tested for accuracy. The testing process consists of running four indepens programs and checking the results. The failure rate for the 4 testing programs are. respectively, 0.01, 0.03, 0.02, and 0.01. In a sample of 100, how many CDs wou expect to be rejected? Express your answer in four decimal places.

Before the distribution of certain statistical software every fourth compact disk (CD) is tested for accuracy. The testing process consists of running four indepens programs and checking the results. The failure rate for the 4 testing programs are. respectively, 0.01, 0.03, 0.02, and 0.01. In a sample of 100, how many CDs wou expect to be rejected? Express your answer in four decimal places.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Q6
Help, please.
The CEO of a large electric utility claims that at least 80 percent of his one million customers are very satisfied with the service they receive. A local newspaper surveyed 300 customers randomly. 73 percent said they were very satisfied. The test statistic is (Round answer to two decimal places. Do not write 0.12 as .12.)
In a recent survey, a group of people were asked if they were happy or unhappy with the state of the country. The data are shown in the contingency table below, organized by political party. What is the relative risk of being unhappy with the state of the country for Democrats? Round your answer to two decimal places. Нарру | Unhappy | Total Republican 152 98 250 Democrat 104 146 250 Total 256 244 500 Provide your answer below:
For each problem, you must state the hypotheses, calculate the test statistic, and explain your decision. The following table reports the relationship between class standing and political orientation for a random sample of 267 college students. a. The table is constructed assuming that class standing is the independent variable. Please add %s in the appropriate position (columns or rows) to describe the pattern of the relationship. b. Is there a statistically significant relationship between these variables?
A jeep gets 53 highway miles per gallon. Howvever, an SUV believes gas mileage for their new line is much better. In order to test, they collect a random sample of 8 jeeps. The results of the 8 cars tested as as follows: 56, 51, 55, 54, 57, 48, 56, and 51. If you perform this test at a= .05 level, state the p-value and the conclusion of the test.
5: Cal Poly has a vested interest in finding out the level to which its students are content with the various courses offered. They are curious to learn what proportion of students are pleased with the courses they are enrolled in at the moment. The provost believes that 27 % of Cal Poly students are pleased with the courses. A group was asked in front of the library if they were content with the various courses offered. Out of the 113 students asked, 31 students were content with the various courses offered
Carmen and Rosanna are two employees in an electronics store. The store manager has put an emphasis on increasing the number of applications for the store credit card. The manager randomly selected 24 weeks for each employee and recorded the number of completed applications for each week, which is provided in the samples below. Each employee completed 21 applications in one of the weeks selected. Use Excel to calculate each employee's z-score for completing 21 applications. Round your answers to two decimal places. Carmen Rosanna11 56 1115 613 185 1114 1416 521 208 1110 97 1416 1513 1310 619 2118 95 1817 310 126 1712 1214 419 1017 8
A sample of students was taken to determine pulse rate. The data is shown: Pulse rate-beats per minute 54 58 65 68 72 76 80 90 98 Frequency (# of Students) 1 3 6 8 5 3 8 4 2 What is the median?
Most adults would erase all of their personal information online if they could. A software firm survey of 502 randomly selected adults showed that 65% of them would erase all of their personal information online if they could. Find the value of the test statistic. The value of the test statistic : (Round to two decimal places as needed.)