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Which of the following can be true for selecting base learners for an ensemble?
1. Different learners can come from same algorithm with different hyper parameters
2. Different learners can come from different algorithms
3. Different learners can come from different training spaces
Rearrange the parts of the sentence in correct order. P: It affords us a glimpse into acts, events, ideas, characters of the past, thus helping us to know more about those centuries gone by. Q: It is almost as if such acts and ideas were to occur over and over again in different centuries though in a slightly different manner each time. R: History is a record of past, especially in connection with human race. S: When we trace history right from its beginning to the recent times, we cannot fail to notice that some events and characters have shown a repetitive quality.
Rearrange the parts of the sentence in correct order. P: It affords us a glimpse into acts, events, ideas, characters of the past, thus helping us to know more about those centuries gone by.
Q: It is almost as if such acts and ideas were meant to occur over and over again in different centuries though in a slightly different manner each time.
R: History is a record of past, especially in connection with human race.
S: When we trace history right from its beginning to the recent times, we cannot fail to notice that some events and characters have shown a repetitive quality.
In a class of 75 students, every student participates in at least one of the three events – music, drama and poetry. 12 students participate in all 3 events. 21 student participate in any two events. If 14 students participate in music only and 15 students participate in drama only, then how many students participate in poetry only? 
On July 30th, 2019 the success rate of Indian cricket team playing against Pakistan in the International events is 88%. If India will lose the next 50 events against Pakistan then the success rate of India will come down to 66%. What is the number of International events played between the two countries till 30th July?
A and B are two events. A and B are their complement events, respectively, such that AB and AB are two mutually exclusive and exhaustive events in which the event A can occur. Then which option is correct?
Which of the following events after the balance sheet date would normally qualify as adjusting events according to AS-4 (Events after balance sheet date)? (A) The insolvency of a customer on the balance sheet date (B) A decline in the market value of investments (C) The declaration of an ordinary dividend (D) The determination of the cost of assets purchased before the balance sheet date Choose the most appropriate answer from the options given below:
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. In a strange ________________, the production and the consumption of the event become cause for concern. _______________ wonders whether newer forms of “non­caring” or violence are appearing. Somehow, silence, even __________________, quietly suppresses a meditation on such events. __________________ a professor, I can recollect the number of occasions when my students have cried as we discussed such events in class. _____________, society seems so indifferent. Somehow, silence, even __________________, quietly suppresses a meditation on such events.
It is estimated that average number of events during an year is three. What is the probability of occurrence of not more than two events over a two year duration? Assume that the number of events follow a Poisson's distribution.
Which of the following statements are true?
1. The classical approach to probability theory requires that the total number of possible outcomes be known or calculated and that each of the outcomes be equally likely.
2. A marginal probability is also known as unconditional probability.
3. For three independent events, the joint probability of the three events, P (ABC) = P (A) × P (B/A) × P (C/AB)
4. Two events are mutually exclusive, exhaustive and equally likely, the probability of either event A or B or both occurring P(A or B) = P(A) + P(B)