11 Answered Questions for the topic Stats Probibility

Stats Probibility Stats Stats Probibility, Math

09/23/18

A card is chosen at random from a pack of 52 playing cards. What is the probability of a King or a Queen?
Determine whether the following experiments are mutually exclusive (do they overlap) and then determine the probability of the event occurring?
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Stats Probibility

09/13/18

Probability question
The probability of a student entering college and not needing developmental math or English courses is 55%. The probability that the student will need only developmental math is 31% and the... more
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Stats Probibility

09/01/18

Stats question
in a certain county, 45% of the registered voters are democrats, 35% are republicans, and 20% are independents. sixty percent of the democrats, 80% of the republicans, and 30% of the independents... more
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Stats Probibility

05/17/18

A study was conducted to determine whether magnets were effective in treating pain. The values represent measurements of pain using the visual analog scale. As
 Assume that both samples are independent simple random samples from populations having normal distributions. Use a 0.05 significance level to test the claim that those given a sham treatment have... more
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Stats Probibility Math Statistics Stats

05/03/18

If i Roll a 20 sided die 8 times, what are the odds I get a 19 or 20 at least once?
Building a character in d20 and im looking at stats
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Stats Probibility

03/22/18

mean for this procedur
A survey reports that the probability a person has blue eyes is 0.10. Assume that 4 people are randomly selected at Miramar College and asked if they have blue eyes. Find the mean for this... more
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Stats Probibility Stats

01/10/18

How many students would you expect to wait more than 18.5 minutes?
200 senior high students were asked how long they had to wait in the cafeteria line for lunch. Their responses were found to be normally distributed, with a mean of 15 minutes and a standard... more
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Stats Probibility

12/12/17

a five card hand is dealt from a standard deck of 52 cards. How many hands consist of exactly 3 jacks?
The answer is C(4,3)x C(48,2). My question is where does the two come from after the 48 cards
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Stats Probibility

11/24/17

If a test has a mean of 500 and standard deviation of 100(assuming a normal distribution), with N = 1000, about how many individuals score between 300 and 700
If a test has a mean of 500 and standard deviation of 100(assuming a normal distribution), with N = 1000, about how many individuals score between 300 and 700 If a test has a mean of 500 and... more
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Stats Probibility

11/24/17

If Test X has a mean of 50, standard deviation of 10 (assuming a normal distribution), and N= 1000, about how many individuals score between 40 and 60?
If Test X has a mean of 50, standard deviation of 10 (assuming a normal distribution), and N= 1000, about how many individuals score between 40 and 60? If Test X has a mean of 50, standard... more
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Stats Probibility

10/29/17

What is the probability of drawing two aces, two kings, or an ace and a king?
A person removes 2 aces and a king from a deck of 52 playing cards, and draws, without replacement, two more cards from the deck. Find the probability that the person will draw two aces, two kings,... more
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