There is an 80% chance of rain on each of the next six days. What is the probability that it will rain on exactly two of those days?A. 0.01536.B. 0.24327.C. 0.15364. 正确答案:A 分享到: 答案解析: P(2) = 6! / [(6 – 2)! × 2!] × (0.82)× (0.24) = 0.01536 = 6 ...
( )4.Whatdoestheunderlinedword“threadbare”meaninthesecondparagraph? A.Wornout. B.Outofdate. C.Fashionable. D.Fancy. B 语篇类型:新闻报道 主题语境:人与社会 词数:342 难度:★★★ (2022·江苏省马坝高级中学高二期中)Chinahassetnewruleslimitingtheamountoftime childrencanplayonlinegames.Theruleslimitch...
4. Be Aware of Your Biases The most common types of cognitive bias you need to avoid are: Confirmation Bias: we always subconsciously assume we’re right. Action Bias: we act too quickly before thinking something through. Association Bias: why did the rain dance always work? Because they’...
and (2) Range judgments. Probabilities are sometimes expressed by verbal phrases (“rain is likely”) and at other times in a numeric format (“70% chance of rain”), whereas range judgments describe the potential
This test has a chance of a false negative (testing negative when one has COVID) and a chance of a false positive (testing positive when one does not have COVID). An employee takes the mandatory test, which turns out to be positive. What is the probability that actually has COVID?
2) What is the purpose of setting clear goals? Why is it important?3) What does “supplementing the work” mean in Paragraph2? Is it necessary to do this in language learning?4) Do you think it is helpful to notice others’ learning successes? Why or why not?
Even if you’ve sent announcements and posted about a product, event, or sale on social media, that doesn’t mean potential customers are ready to take action. A lot of people wait until the last minute to take advantage of a special offer, so sending a last-minute reminder could be ex...
B.The process of payment. C.The waste produced by payment. D.The introduction of payment systems.2. What does the life-cycle assessment of payment systems focus on? A.The real value of money. B.The history of the currency. C.The effect on the environment. D.The importance of raw mate...
2. What does the word “ignore” probably mean? A.Be strict with. B.Be crazy about. C.Pay no attention to. D.Get in the way of.3. Which of the following is TRUE according to the passage? A.Mr. Smith doesn’t like Jenny. B.Helen is friendlier than Jenny. C.Jimmy and ...
What does it mean to stumble? To stumble means to trip or momentarily lose one's balance without necessarily falling. 6 What should you do if you see someone fall? Offer assistance and check if they are injured before helping them up. 5 How does age affect the risk of falling? With age...