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TLS Online TPP Program

#Question id: 15461

When doing experiments with bacteria,

#Unit 2. Cellular Organization
  1. it is usually not necessary to standardize which stage of growth is used.
  2. it is best to use colonies as all the bacteria in a colony are at the same stage of growth.
  3. it is best to use bacteria from the same stage of growth.
  4. the age of the bacteria is not important.
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TLS Online TPP Program

#Question id: 18602

#Unit 13. Methods in Biology

Suppose a unbiased die is thrown 72 times and getting a 4 on a throw is termed as success then find the variance of number of success ?
TLS Online TPP Program

#Question id: 18601

#Unit 13. Methods in Biology

The chances of killing a bird are 1 in three attempts. Find the probability that no bird is killed in 3 attempts.
TLS Online TPP Program

#Question id: 18600

#Unit 13. Methods in Biology

A coin is tossed 6 times. The probability of getting exactly 2 heads is
TLS Online TPP Program

#Question id: 18087

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get
Exactly three correct answers
TLS Online TPP Program

#Question id: 18014

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get Atmost three correct answers
TLS Online TPP Program

#Question id: 18013

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get At least one correct answer.