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An ordinary six-sided dice is thrown what is the probability that the score is at least 5?
one in six
An ordinary six-sided dice is thrown what is the probability that the score is greater than 3?
P(score>3)=1/6+1/6+1/6=3/6=1/2
Does a negative z score yield a negative probability value?
no, z score can be negative but a probability is a always positive between 0 and 1.
What is the probability of obtaining a score from a distribution that would have a z score of -1.55 or smaller?
It is 0.0606
How do you calculate a priori probability when you know standard deviation and mean scores?
If it is possible to assume normality, simply convert the desired score to a z-score, and look up the probability for that.
An ordinary six-sided dice is thrown what is the probability that the score is at least 5?
one in six
An ordinary six-sided dice is thrown what is the probability that the score is greater than 3?
P(score>3)=1/6+1/6+1/6=3/6=1/2
Does a negative z score yield a negative probability value?
no, z score can be negative but a probability is a always positive between 0 and 1.
What is the probability of obtaining a score from a distribution that would have a z score of -1.55 or smaller?
It is 0.0606
What is the z-score for 1.87?
The z-score must be 1.87: the probability cannot have that value!
Do you have more of a chance to roll a six with one die thrown twice or two dice thrown together?
You have more chance with two dice rolled together ! The Probability of throwing a six with one dice is 1/6. The probability of throwing one six with two dice is 2/6 or 1/3. You're twice as likely to score a six if you're throwing two dice.
How do you calculate a priori probability when you know standard deviation and mean scores?
If it is possible to assume normality, simply convert the desired score to a z-score, and look up the probability for that.
Can a z-score be converted into a probability?
p (z<0)
What is the probability of a student getting a score of more than 505 with a mean of 505 and a standard deviation of 110?
The probability is 0.5
Can 1.290994449 be a probability?
No. Probability is measured on a score of 0 to 1, which represents 0% (can never happen) to 100% (always happens).
What is the lowest score required when 11 strikes in a row are thrown?
290
What is the probability of obtaining a z-score less than 0.50?
It is 0.6915
