Page 157 - Data Science class 10
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3. If you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7?
4 13
a. 36 b. 36
21 15
c. 36 d. 36
4. The collection of one or more outcomes from an experiment is called _________________. [CBSE Handbook]
a. Probability b. Distribution
c. Event d. Random Experiment
5. In a Poisson probability distribution, _________________.
a. the mean and variance of the distribution are the same (equal)
b. the probability of success is always greater than 5
c. the number of trials is always less than 5
d. None of the above
6. If a card is chosen from a standard deck of cards, what is the probability of getting a diamond (♦) or a club (♣)?
a. 26/52=1/2 b. 13/52
c. 20/52 d. 12/52
7. Which of the following is not a condition of the binomial distribution?
a. Only 2 possible outcomes b. The number of observations n is fixed
c. Must have at least 3 trials d. Trials must be independent
8. Which of the following is not a correct statement about probability?
a. It must have a value between 0 and 1
b. It can be reported as a decimal or a fraction
c. A value near 0 means that the event is not likely to occur/happens
d. It is the collection of several experiments
9. A discrete probability distribution may be represented by _________________. [CBSE Handbook]
a. a table b. a graph
c. a mathematical equation d. all of these
10. Which of the following is the condition for uniform distribution? [CBSE Handbook]
a. Each value in the set of possible values has the exact same possibility of happening
b. Have a constant probability of success
c. Has only two possible outcomes
d. Must have at least 3 trials
11. Which of the following is a type of distribution?
a. Continuous b. Discrete
c. Both a. and b. d. None of these
12. _________________ is the probability that a ball is drawn at random from a jar.
a. 0.1 b. 1
c. 0.5 d. Cannot be determined from given information
13. Which of the following is the component of Statistical Investigative Process?
a. Formulate Statistical Investigative Questions b. Collect/Consider the Data
c. Analyze the Data d. All of the above
Distributions in Data Science 155

