İST209U
İSTATİSTİK I - Deneme Sınavı - 3
Dönem Sonu Sınavı
47379
Soru 1
The _______________ of a discrete random variable is a list of odds associated with each of its possible values.Which of the following is appropriate for filling in the blank above?
Soru 2
In a discrete probability distribution, The sum of the probabilities of each outcome of the random variable must equal to ___________ ?
Soru 3
Let's assume that three perfect coins are flipped three times, what is the probability that all the results are head?
Soru 4
Study the following discrete probability distribution:
According to table what is the probability that the result is equal to 2 or less?
Soru 5
According to the following cumulative distribytion function graph, what is the probability of x < -1?
Soru 6
What is the arithmetic mean of the following discrete probablity distribution?
Soru 7
In ______________ distribution, an outcome of a random experiment can be classified under two different categories.
Soru 8
In binomial distribution, "The probability of success, denoted by and the probability of failure, denoted by remains _____________ for all trials"?
Soru 9
In Binomial distribtuion, Each trial has only_________ possible outcomes?
Soru 10
Which of the following can be categorized as a discrete random variable?
Soru 11
Which of the followings are not correct related to probability density function?
Soru 12
Which of the followings is not true about cumulative distribution function?
Soru 13
Which of the followings is not true about normal distribution?
Soru 14
Which of the following properties is not valid related to probability density function f (x) for normal distribution?
Soru 15
Probability density function for continuous random variable X is defined as follows;
f(x) = 0.02, for 0 ≤ x ≤ 50
Which of the following mean of the continuous random variable X?
Soru 16
Probability density function f (x) of normal distribution has the following property;
f (x) ≥ 0 for all x values
Which of the statements explains the property above?
Soru 17
Probability density function for continuous random variable X is defined as follows;
f (x) = 0.05, for 0 ≤ x ≤ 30.
Which of the following is the standard deviation of this function?
Soru 18
An eye doctor’s physical examination time is exponentially distributed with a mean of 25 minutes
Which of the following is the probability that the physical exam duration takes less than 20 minutes?
Soru 19
Consider that continuous random variable X is uniformly distributed and takes values between a and 19 and the mean value of μ=12.
Which of the following the standard deviation for the random variable X?
Soru 20
Which of the following is not a continuous random variable?