A biology class has 3535 students. Find the probability that at least two students in the class have the same birthday. For? simplicity, assume that there are always 365 days in a year and that birth...

A biology class has 3535 students. Find the probability that at least two students in the class have the same birthday. For? simplicity, assume that there are always 365 days in a year and that birth...

See the cross-table below. What do you think, is there dependence between the variables Gender and Education? The value of contingency coefficient is C=0.091. What is your conclusion? Education Primary...

Indicate the null (H0) and alternative hypothesis (Ha) you would develop for the following problems (you do not have to solve the problem) a) A certain drug is only 25% effective after a testing...

Let P(A)=P(B)=0.42 and P(A∩B)=0.13 Find P(A'∪B') solution P(A'∪B')=P(A)+P(B)-P(A∩B) =0.42+0...

in a distribution, the number 11 has a z-score of -1 and a standard deviation of 3. what is the value of the data with a z-score of 2?

1) A basketball player makes 70% of his free throws. We put him on the free-throw line and ask him to shoot free-throws until she misses. Let X= the numer of free throws the player takes until he...

Use the listed IQ Scores: IQ: 96 89 87 87 101 103 103 96 127 126 101 96 93 88 94 85 97 114 113 124

Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements...

I need serious help on figuring this one out... A pair of dice will be rolled 5 times. Find the probability that the total showing on them will be at least 9 on exactly 3 of the 5...

Interpret that interval

The Edmonton Rush is one of nine teams that play in the National Lacrosse League. The weights of the 2013 Edmonton players are shown. 160 170 170 175 180 185 188 190 190 190 194...

Suppose that X and Y are independent random variables with the same probability density function (pdf) f(x). Write down, without proof, a formula for the pdf of X + Y. (2) Suppose...

Political Contributions: Listed below are contributions (in dollars) made to the two presidential candidates in a recent election. All contributions are from the same zip code as the author, and the...

The number of golf balls ordered by customers of a pro shop has the following probability distribution. = 7.23 = 9.9 = 7.62 = 9

You have Two turns to roll two dice, what is the probability of getting a sum of 7 on your first turn before getting a sum of 8 on your second turn?

THE MEAN TOTAL CHOLESTEROL FOR A POPULATION OF MEN BETWEEN THE AGES OF 20 AND 29 IS 180 MICROGRAMS PER DECILITER WITH A STANDARD DEVIATION OF 34.8. A HEALTHY TOTAL CHOLESTEROL LEVEL IS LESS...

Three integers are selected at random from {1,2,3,4,5,6,7,8,9,10}. What is the probability that the largest of these is 5?

If you friend spent the weekend and said it was more than 30 degrees would you believe him. Explain

the reading speed of Second grade students is approximately normal with a mean of 90 words per minute and a standard deviation of 10 words per minute

the reading speed of a second grade students is approximately normal, with a mean of 92 words per minute (wpm) and a standard deviation of 10 wpm. There is a 5% chance that the mean...

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