Three Coins are tossed, find the probability that two heads and one tail are obtained?

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

Q1) Identify the Data type for the Following:

 Q2) Identify the Data types, which were among the following

Nominal, Ordinal, Interval, Ratio.

Data	Data Type
Gender
High School Class Ranking
Celsius Temperature
Weight
Hair Color
Socioeconomic Status
Fahrenheit Temperature
Height
Type of living accommodation
Level of Agreement
IQ(Intelligence Scale)
Sales Figures
Blood Group
Time Of Day
Time on a Clock with Hands
Number of Children
Religious Preference
Barometer Pressure
SAT Scores
Years of Education

 Q3) Three Coins are tossed, find the probability that two heads and one tail are obtained?

 Q4)  Two Dice are rolled, find the probability that sum is

a)     Equal to 1

b)    Less than or equal to 4

c)     Sum is divisible by 2 and  3 

Q5)  A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

Q6) Calculate the Expected number of candies for a randomly selected child

Below are the probabilities of count of candies for children (ignoring the nature of the child-Generalized view)

CHILD	Candies count	Probability
A	1	0.015
B	4	0.20
C	3	0.65
D	5	0.005
E	6	0.01
F	2	0.120

Child A – probability of having 1 candy = 0.015.

Child B – probability of having 4 candies = 0.20 

Q7) Calculate Mean, Median, Mode, Variance, Standard Deviation, Range &     comment about the values / draw inferences, for the given dataset

-    For Points,Score,Weigh>

Find Mean, Median, Mode, Variance, Standard Deviation, and Range and also Comment about the values/ Draw some inferences.

Use Q7.csv file

Q8) Calculate Expected Value for the problem below

a)    The weights (X) of patients at a clinic (in pounds), are

108, 110, 123, 134, 135, 145, 167, 187, 199

 

Assume one of the patients is chosen at random. What is the Expected Value of the Weight of that patient?

Attachments:

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