A quality control supervisor inspects a production of 35 computer chips, 5 of which are defective.He randomly selected 7 computer chips. Let X be the random variable representing the numberof defective computer chips in the selection.[Select]b. Find the mean defective computer chips ✓ [Select]570.14291ip?

Given : A quality control supervisor inspects a production of 35 computer chips, 5 of which are…

Answered: A quality control supervisor inspects a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A population consists of the numbers 2,3,4,5, and 6. Let us list all possible sample size of 3 from this population and compute the mean of each sample.Using the formula Ncn wher N is the population size and n is the sample size.
A sample of 300 items was selected. compute the p-value
Question # 3
Race organizers want to survey the participating runners on the quality of the running course. Which of the following uses systematic random sampling? Select the first 15 finishers and the last 15 finishers to take the survey. Randomly select 15% of the male participants and 15% of the female participants. Select the 5th finisher (with the number 5 being randomly chosen) to survey, then survey every 15th finisher after that. Sort all of the runners' names alphabetically, then randomly choose 2 letters and survey all participants whose last name begins with one of those letters.
In a batch of 1000 machine screws, 15 are defective. A person randomly selects 20 screws, putting each screw back after each draw. For this set of screws: Calculate the variance of the number of screws that are defective. (use a decimal number, nearest to ten thousandth, such as 0.1234)
Assume that 900 births are randomly selected and 443 of the births are girls. Use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high.
A farmer sows 100 seeds of a new type of corn and wants to quickly determine the yield, or total number of ears of corn, for the crop when it has matured. He decides to take a simple random sample of 10 corn plants. He labels the 100 plants 00-99. Refer to the given line from a random number table. Which numbers represent the sample of 10 corm plants? 58160 0969538399 40400 32662 46254 O 58, 16, 00, 96, 95, 38, 39, 94, 04, 00 O 58, 16, 00, 96, 95, 38, 39, 94, 04, 32 O 58, 16, 96, 95, 38, 39, 94, 04, 32, 66 58, 16, 09, 69, 38, 39, 40, 32, 66, 46
When computing the variance using a sample of size n = 30, we divide the sum of squared deviations by Give your answer as a whole number.
There are 90 students in a lunch period, and 5 of them will be selected at random for cleaning duty every week. Each student receives a number 01 90 and the school uses a random digit table to select a simple random sample of 5 students. Which 5 students should be assigned cleaning duty? 06915 72954 10167 12142 26492 Choose 1 answer: 06, 57, 29, 54, 10 B 06, 91, 57, 29, 54 69, 15, 72, 41, 16 D69, 15, 72, 95, 41
assume that 100 births are randomly selected. Use subjective judgment to describe the given number of girls as (a) significantly low, (b) significantly high, or (c) neither significantly low nor significantly high. 53 girls
One line from the Table of Random Digits is shown below. Use the random digits to generate 5 random numbers between 01 and 49. The fourth random number is _____. 14459 26056 31424 80371 65103 62253 22490 61181
An Internet banking system uses passwords that are six characters, and each character are one of the 26 letters (a – z) or 10 digits (0 – 9). The first character must be a letter. The passwords are not case-sensitive. Determine the proportion of passwords that begins with a vowel or ends with an odd number.

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