subject
English, 24.02.2021 02:30 nini7141

7. An unfair coin is weighted so that the expected number of tails before the first heads is 3. What is the standard deviation of the number of tails that come up before the first heads?​

ansver
Answers: 2

Another question on English

question
English, 21.06.2019 22:10
You have to go. you have to, yer the only doctor. go ahead on, you," bruh fox say. big doc rabbit went down to the brook again. the water was so cool and ribbly and it kept the crock of cream so fresh and cold. doc rabbit drank about half of the cream this time. then he went back up to brother fox with the hard labor of raisin the roof. heard tell about this phrase remind readers that these stories were usually told, not read. which line from the excerpt is an example of personification?
Answers: 3
question
English, 21.06.2019 23:20
Bicycle riding should be encouraged, and adding bicycle lanes will increase the number of riders. it is healthier for people to ride than to sit angrily in traffic. it is healthier for everyone to breathe cleaner air. sharing the road can be tricky, but there are things that can be done. so, add the bike lanes and get rolling! which sentence would improve this conclusion? every town should consider adding bicycle lanes, because it is a great idea. organizing safety classes for drivers and cyclists will ensure that everyone knows the rules. do not listen to negative people who complain about anything new. it is true that some people might get injured, but even walking can be dangerous.
Answers: 1
question
English, 22.06.2019 02:40
Match the definition to the word. 1. person or group opposing or hostile to another person or group propaganda 2. arranged in the order in which the events happened spatial 3. based upon reason; a rational approach to something logic 4. a method or system used to accomplish something adversary 5. having to do with space technique 6. coming one after another, in series, or in order chronological 7. the spreading of opinions or beliefs implied 8. suggested, indicated, or understood without express statement sequence
Answers: 1
question
English, 22.06.2019 03:00
Which generalization does the speaker make in the last stanza of to a louse? a) our main source of power comes from living blunder-free lives b) sometimes the best gifts come in the form of little creatures c) seeing ourselves as others see us would free us from blundering
Answers: 1
You know the right answer?
7. An unfair coin is weighted so that the expected number of tails before the first heads is 3. Wha...
Questions