More: "in an olympic competition, there were 25 questions, 10 points to each, and the questions were wrong."
Of the 10 “yes and no” lines, the probability is 0. 5 per answer and, if the answer is independent of each other, the probability of the answer is 5 ()。
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Of the following amounts, the individual income tax exemption items are (...)。
Funding for individual student participation in the olympic competition
Major natural disasters
C. Earnings from the salaries of experts working in china under united nations assistance projects
D. Individual reporting, co-inspection of various offences, bonuses for offences
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There are 10 “yes and no” questions, with a probability of 0. 5 per answer and a probability of 5 out of 10 questions ()
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In one examination, the score for an objective was averaged 1. 1 for a high-group student and 65 per cent for a low-group student. The score for an objective was averaged 0. 7 for a low-group student and 40 per cent for a full 1. 5, with the difference being ()
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Recruitment of staff by an enterprise, placement of three sets of test projects, selection of persons for reference, with a, b, c, d and e participating, of which a and b are independent
An enterprise recruiting staff, setting up
Selection of reference staff for the three test groups, with recruitment of a, b, c, d and e, with both a and b participating independently
Team tests, c. And d. Each participating independently
Team tests. Both a and b are known to pass the test
C. And d. Each have a chance of passing the test
. E. Participation
Group testing
There were six questions in the group, four in the e-conference. E can and must answer only four questions, and three answers are successful.
(i) probability of successful competition for e-employment
(ii) requests for participation
More people passed group tests than participated
Probability of the number of persons passing the group test
(iii) recording
The total number of people who passed the group test is
Please
The distribution column and expectations.
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Assuming that one examination had 10 options, each had four answers, one of which was correct. What is the probability that a candidate can answer at least six questions
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The examination papers consist of 100 single-choice items, each with four options, and each single-choice issue is independent of each other, with an average of 25 for the number of subjects answered. ( )
The examination papers consist of 100 single-choice items, each with four options, and each single-choice issue is independent of each other, with an average of 25 for the number of subjects answered. ( )
Errors
Correct
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Each chinese university degree in physics has 10 topics. ( )
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The master score is the percentage of the subjects answered by the subjects tested. ( )
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The term " () " refers to the proportion of candidates responding to the subject as a percentage of the total number of candidates and is also referred to as the rate of response or pass。
A. Information processing in education
B. Parity analysis
C. The difficulty of the topic
D. Average
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In a marriage law competition, prof. Zhang wrote four words that led his classmates to the wrong conclusion: i. Non-litigation mediation is not a pre-emptive procedure for divorce proceedings in our country. Divorce mediation is limited to cases where one of the parties requests divorce. Iii. Extra-litigation of divorce disputes must be based on the principle of voluntary legality. Iv. Conciliation agreements reached by the authorities on divorce disputes have no legal effect
A. I and iii
B. Ii and iii
C. Ii and iv
D. I and ii
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