Irgasheva nasiba dadajanovna mechanical english

5.Use the textbook excerpt and the conversation from Task 8 to fill out the engineer's notes.
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New pump prototype #445-N

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Unit 5
Statistic
Memo
Randy,
Our recent experiments with two different engine models were not very successful. I need you to compile the data from these experiments. I don't need the outcomes of every experiment. Instead, get a random sample of results. They should represent the whole population. We'll identify the frequency of different failures in each system.
I'll need you to find the median values and the range of the sample set. You should also determine the probability of each event in the sample space. Some events are independent, so make sure you take that into account. Others are mutually exclusive. So if one component failed, we should determine if it affected others.
In particular, make note of the intersections of the two sample spaces. That will reveal which features to eliminate on the next round of testing. The unions might be useful, too. These statistics will give us a clearer picture of why the prototypes failed.
Let me know if you have any questions.
Thanks,
Judith


1.Read the memo. Then, choose the correct answers.
1.What is the purpose of the memo?
A.to describe the results of a statistical analysis
B.to bring attention to several statistical errors
C.to request a particular statistical analysis
D.to provide definitions of various statistics terms
2.Which of the following is NOT needed by the woman?
A. the outcomes from every experiment
B. the probability of each event in the sample space
C. the median values of the sample
D.t he intersection of the sample spaces
3.Why does the woman request the data?
A. to estimate the necessary funding for a project
B. to collect information before starting a project
C. to prepare a presentation on the status of a project
D. to determine why a project is producing particular results.