Find the value of the probability of the standards normal variable Z corresponding to the shaded area under the standards normal curve. 1. P(Z<1.45) 2. P(Z>1.11) 3. P(0.3<Z<1...
Find the value of the probability of the standards normal variable Z corresponding to the shaded area under the standards normal curve. 1. P(Z<1.45) 2. P(Z>1.11) 3. P(0.3<Z<1...
Not sure of the formula and if I did this problem right? Can someone show the steps? The probability that you will win at the lottery is 0.8. If you play the lottery...
A machine produces 15% defective items.In a sample of 5, drawn at random, using binomial distributuion,Find the probabilities that : a) there'll be 4 defective items b) there will not...
A population consisting of a certain proportion of defective items has mean μ = 2. If a sample of 4 items is examined and repeated 200 times, obtain a) probability of an item being defective, b) probability...
6,800 people are asked about their gambling habits. 2,761 of those people surveyed bought lottery ticket within the last year, 1,007 visited a casino in last year, and 3,886 didn't do either...
In a survey of 3019 guests, the following question was asked: What is the first thing you do after checking into a hotel room? The results are presented in the following table. Activity...
A factory that makes Star Wars collectible statues runs three assembly lines: the Tatooine line, the Hoth line, and the Endor line. 98.9% of the Tatooine line's statues pass inspection,...
40.7% of voters are Democrats in a town, and 59.3% are Republican. In the last election, 33.9% Democrats voted, and 38.2% Republicans voted. a) If a Democrat was randomly selected,...
3 cards are drawn at random successively with replacement from well shuffled cards .getting a card of "diamond is treated as success ".what is the sum of Probability of which random...
odds against to an event R will occur is 3:2 which of the following could be the Probability of events R and E will occur is (a)0.32 (b)0.88 (c)0.44 (d)0.56 (e)0...
3 chemistry students 6 different lab sections
A bag contains 3 white ,4 black and 5 green . when two balls are drawn from it random , then which of the following could not be the Probability that they are of different color (a...
The average time a customer spends waiting in the check-out line at Wal-Mart is seven minutes. If wait times are independent and constant, what is the probability the customer will spend between eight...
Hiro has a probability of winning each time he plays a certain game at a carnival. If Hiro plays the game 48 times, which of the following is the best prediction of the number of times he will win...
How many numbers are divisible by 10 but not by 9? How many numbers are divisible by 2 or 3 (this should include those divisible by both 2 and 3)?
Suppose we roll a six-sided die two times. a. List all outcomes in the sample space. (Hint: There are 36.) b. In how many outcomes does a 6 occur at least once? List them. c. In how many...
Let S = {1, 2, 3} be a sample space associated with an experiment. a. List all possible events of this experiment. (Hint: There are 8.) b. In how many events does outcome 3 occur? c. In...
Let E and F be two mutually exclusive events, and suppose that P(E) = .2 and P(F) = .5. Compute the following probabilities: a. P(E ∩ F) b. P(E ∪ F) c. P(E^c) d...
79% of teens own an iPod or other MP3 player. If the probability that both a teen and his or her parent own an iPod or other MP3 player is .43, what is the probability that both a teen and his or...
The odds that it will occur are 5 to 11.Probability of the event is (a)5/16 (b)8/16 (c)9/78 (d)5/96