Suppose that 4 tables in a production run of 50 are defective. A sample of 7 is to be selected to be checked for defects 9. How many different samples can be chosen? a. How many samples will contain...
Judy Holmes Industries has decided to use a p-Chart to monitor the proportion of defective castings produced by their production process. The control limits on these charts will be designed to include 95%95% of the sample proportions when the process is In Control. The operations manager randomly samples 400400 castings at 1616 successively selected time periods and counts the number of defective castings in the sample. Table Control Chart Copy Table Step 8 of 8 : You, acting as the...
pose that 5% of the screws a company sells are defective. Figure B.7 shows sample proportions from two sampling dis- tributions: One shows samples of size 100, and the .15 Defective Screws Sup other shows samples of size 1000. (a) What is the center of both distributions? (b) What is the approximate minimum and maxi- mum of each distribution? (c) Give a rough estimate of the standard error in each case. (d) Suppose you take one more sample in each...
1.How many possible orderings of letters ABCDEFG are there? 2.How many strings of length 4 can be made using the letters ABCDEFG? 3.How many subsets of size 4 are there of the letters ABCDEFG. 4.How many possible strings are there of the letters "MATTER"? 5.Consider four books: an engineering book (E), a physics book (P), a history book (H), and an Art book (A). Consider the following problem: Suppose that the library has at least six copies of each of...
one professor grades homework by randomly choosing 5 out of 12homework problems to grade. a.) how many different groups of 5 problems can be chosen fromthe 12 problems? b.) probability extension: jerry did only 5 problems of oneassignment. what is the probability that the problems he didcomprised the group that was selected to be graded? c.) silvia did 7 problems. how many different groups of 5 didshe complete? what is the probability that one of the groups of 5she completed...
How many different ways can a committee of 9 be selected from a larger organization of 20 people? I am sure this is a combination problem. Which is 9C20=(just Guessing) 20! 20! ______ = ________ 9!(20-9) 9!11! 20! 20*19*18*17*16*15*14*13*12*11*10*9*8*7*6*5*4*3*2*1 ______________________________________________________ 9! i guess im confused. big numbers.
9. A study group is to be selected from a group of 16 students. The group consists of 5 freshmen, 7 sophomores, and 4 juniors. a) In how many ways can a group of 6 students be selected from this group? b) If the study group is to consist of 2 freshmen, 3 sophomores, and 1 junior, how many different groups are possible? c) What is the probability that a group of 6 students will consist of 2 freshmen, 3...
QUESTION 1 (39 MARKS) Suppose you choose 2 books that you are planning to read (the books selected must contain both Malay and English). Thus, there will be a total of 2n number of books, where n is the number of team members. Assume that this 2n is the size of population that is approximately normally distributed with mean and standard deviation ơ a) List the number of pages for each of the 2n books as in Table 1. Let...
I have 4 questions dont know can anyone help me with any of it? ii) Consider the 11 letter word MATHEMATICS a) How many distinct words can be formed by rearranging its letters? b) How many 4 letter words can be formed using the letters in the word MATHEMATICS, using letters no more often than they appear in the word? ii) Consider the equation where xi, x2, 13, T4,5 and re are non-negative integers a) How many solutions are there...
can you provide me with step to step workout . 6 With a sample size of 177, a 95% confidence interval for the height of 9-year old male US children is (54.0, 54.8), Indicate which of the following is a true statement A. All samples of size 177 of the population of 9-year old male US children will generate confidence intervals of (54.0, 54.8). B. The probability is 0.05 that a randomly selected 9-year old male US child will be...
Chapter 05, Section 5.4, Problem 036 According to a survey conducted at the local OMV, 50% of drivers who rive to work stated that they regularly exceed the posted speed limit on their way to work. Suppose that this result is true for the population of drivers who drive to work. A random sample of 15 drivers who drive to work is selected. Use the binomial probabilities table (Table 1 of Appendix 8) or technology to find to 3 deimal...