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The probability is 0.664

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โˆ™ 10y ago
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Q: What is the probability that an event will occur between z equals -0.46 and z equals 2.21 on the standard normalized curve?
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What is The normal probability distribution with ยต equals 0 and ฯƒ equals 1?

It is the Standard Normal distribution.


What is the probability of choosing a queen from a standard deck playing cards?

4 in 52, which equals 1 in 13.


Assume that X has a normal distribution with mean equals 15.2 and standard deviation equals 0.9 What is the probability that X is greater than 16.1?

0.8413


One card is drawn from a standard deck of cards The probability of drawing a queen or any red card equals?

There are 2 black queens and 26 red cards in a standard deck. Therefore the probability is 28/52 = 7/13 = 53.85%


What is the probability of a and b if a equals 3 and b equals 4?

a and b both have the probability of 3/4


Can you please tell me the variance and the standard deviation for n equals 80 and p equals 0.3?

For a binomial probability distribution, the variance is n*p*q which is 80*.3*.7 = 16.8. The standard deviation is square root of the variance which is 4.099; rounded is 4.1. The mean for a binomial probability distribution is n*p or 80*.3 or 24.


What is the probability of an event occurring to the probability that it will not occur?

The probability that an event will occur plus the probability that it will not occur equals 1.


Is it true that the probability of rolling a six with a fair die five times in a row is?

The probability of rolling a six with a standard die five times in a row is (1 in 6)5 which equals 1 in 7776 or about 0.0001286.


In a standard deck of 52 playing cards what is the probability of not drawing an ace on one draw?

Probability of not drawing an ace equals one minus the probability of drawing an ace. The probability of drawing an ace is 4/52 or 1/13. So the probability of not drawing an ace on one draw is 1 - 1/13 or 12/13 or 0.9231 (92.31%).


What if mean equals probability?

It does not matter.


What is the probability of drawing two consecutive aces from a deck of fifty-two cards?

It is 1/221. Assume that the standard deck is completely shuffled in a completely unbiased way. The probability of drawing the first ace is 4/52, since there are 4 aces in a standard deck. The probability of drawing the second ace is 3/51, since there are three aces remaining and 51 cards from which to choose. 12/52 X 51 equals 12/2652, which equals 1/221.


What is the formula in probability?

Probability equals favorable outcomes divided by total number of outcomes.