1. Two persons, A and B, are to play a serious of independent games, with A’s winning probability in each game = p and B’s winning probability = q = 1 – p. The game ends when the total number of winnings...

1. Two persons, A and B, are to play a serious of independent games, with A’s winning probability in each game = p and B’s winning probability = q = 1 – p. The game ends when the total number of winnings...

The length of time students needed in order to complete a statisics test followed a distribution that was approximately normal. The mean was 74 minutes. The standard deviation was 8 minutes.

it is a probability question. I need help

For goodness of fit: 1. A normally-distributed population is a common assumption for most statistical tests. Using z-scores, the proportion of scores between given values is known, and these proportions...

1,1,1,1,1 is a possibility since it is less than 15. list the possible outcomes 1,2,1,1,1 is a different outcome than 1,1,2,1,1. ORDER DOES MATTER

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...

R (x)=200x-2x2 C (x)=-X2 +10x+7425 0< x < 100 Find the number of units that must be produced to break even.

true or false

Suppose Y ∼ N(μ=0, σ). Find σ so that the normal population contains 90% of its probability between -1 and 1. Please round your answer to two decimals. . [Hint: The normal distribution...

Statistics..NEED HELP FAST/ ASAP. Thankyou Find the area under standard normal curve A. To the right of z=-.65 B. Between -z=-2.33 and z=+2.33 Give the formula for...

A study was conducted to evaluate the effect of calcium supplement on preventing postmenopausal osteoporosis. Among 300 women aged 60 and above who took calcium supplements regularly, 15% had postmenopausal...

A? half-century ago, the mean height of women in a particular country in their 20s was 63.8 inches. Assume that the heights of? today's women in their 20s are approximately normally distributed with...

The number of calls coming to a call center follows a Poison distribution. On average 90 calls arrive every hour on Mondays between 10 am and 11 am. The probability that exactly three calls will arrive...

Four balls with different colors: red, yellow, green, and blue, are placed in a box. Every time Amy picks up a ball, then puts it back to the box and draws one again, repeating it five times. a)...

Participants are asked to either run on a treadmill, lift weights, or walk for thirty minutes. Then their blood pressure is measured. Those who ran on the treadmill are hypothesized to have lower...

Answer the following questions: 1. If 20% of the 20,000 UM-Flint students major in a humanity, how many humanities majors are there? 2. Last year on UM-Flint’s campus there were...

Question is: let the random variable x represent the sum of the points in two tosses of a die. A) list the possible values of x B) For each value of x, list the...

A team of software engineers are testing the time taken for a particular type of modern computer to execute a complicated algorithm for factoring large numbers. They would like to estimate the mean...

a) How many ways can the dealer get exactly one car with problems? b) How many ways can the dealer get at least one car with problems? c) What is the probability that the dealer will receive...

A researcher is interested in increasing feelings of self-confidence in adolescents. He randomly selects 100 adolescents from the population and randomly assigns 50 individuals to a treatment program...