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

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

I need serious help with this question. 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 rolls.

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...

Background info: Flour price is based on weight, which is usually measured in kilograms. The flour seller has noted that the weights of the flour stocked by her supermarket are normally distributed...

Please help me solve this problem In an experiment to calibrate The British Imperial Yard against The Meter, one hundred and sixty measurements gave an of average 91.4402 cm. The standard...

Vladimir has calculated that his travel time to work is normally distributed, with a mean of 30 minutes and a standard deviation of 4 minutes. [A] The probability that his travel time...

Three of the books are identical. Two others also match, but are different from the three identical ones. The other five books are each unique. How many different ways are there to shelve the books...

The average yearly rainfall in Drenchburg is 43.00 inches, with a standard deviation of 5 inches, and is normally distributed. What is the probability that the yearly...

A bag contains nine black and six white marbles. One marble at a time is drawn repeatedly; its color is noted, and then it is replaced in the bag before the next draw. This experiment is carried out...

The probability distribution for a random variable x is given in the table. find the probability that -2 ≤ x ≤ 2. x -5, -3, -2, 0, 2, 3 Probability .17, .13, .33, .16,...

the correct answer is 193/512 please explain and show all working. thanks very much!

Can someone explain to me how I got this question wrong? True/False. It is easier to reject the null hypothesis if the researcher uses a smaller alpha(a) level? I said False As alpha...

what is the smallest interval whichChebyshev's Theorem guarantees to contain at least 75 % of the data. state the answer in the form a ??x ??b, where a and b are positive whole numbers whose average...

State your answer in the form "a to b against", where a and b are positive whole numbers reduced to lowest terms.

Calculate: [A] P(B). [B] P(A|B) [C] P((not A) or B).

In a study of proctored and non-proctored tests in an online course, researches obtained the data below: Group 1 (Proctored): ?? = 30, ??¯= 74.30, ?? = 12.87 Group 2 (Non-proctored):...

A poll was conducted in which every 49th student entering a school is polled. There were 496 students that entered the school on the day of the poll. Which type of sampling was used?

P(Z>1.74)

A total of 358 patients are tested for two diseases, Disease A and Disease B. Of these 358 patients, 42 have Disease A, 32 have Disease B, and 19 have both diseases. What is the χ2 statistic of your...

A quiz consists of 10 multiple-choice questions, each with 4 possible answers. Suppose that a student has not studied and must guess at random. (a) Find the mean number of questions answered...

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