What is an example of a many-to-many sequence modeling task?单项选择题

A

Image classification

B

Language translation

C

Sentiment analysis

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If you train a seq-to-seq model for translating English to French, how can the probability distribution for the second predicted French word be written if the input English words are and the output French words are , and is the second output of the network? Hint: Refer to Lecture 17 Slides 57-65 (general concepts, not really the specific content)

Which of the following is true when performing machine translation using a sequence to sequence model   Hint Refer to Lecture 17

For stock A, we have 𝛽 𝑖 = 0.70. Suppose the expected market risk premium next year is 9% and the risk-free rate is 3%. What is the expected return of this stock based on the CAPM? (Please answer in % and round to 2 decimal places. If the answer is 8.057%, then in the box, write 8.06)

Suppose a multifactor model has three factor risk premia: market = 6%, profitability = 3%, and investment = 2%. A stock has: 𝛽 𝑚 𝑎 𝑟 𝑘 𝑒 𝑡 = 1.1,                   𝛽 𝑝 𝑟 𝑜 𝑓 𝑖 𝑡 𝑎 𝑏 𝑖 𝑙 𝑖 𝑡 𝑦 = 0.5,                       𝛽 𝑖 𝑛 𝑣 𝑒 𝑠 𝑡 𝑚 𝑒 𝑛 𝑡  = -0.2, And the risk-free rate is 3%. What is the expected return? (Please answer in % and round to 2 decimal places. If the answer is 8.057%, then in the box, write 8.06)

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