x=10, 30, 50, 70, 90 y= 17, 5a+3, 32, 7a-11, 19

x=10, 30, 50, 70, 90 y= 17, 5a+3, 32, 7a-11, 19

Assume that a procedure yields a binomial distribution with a trial repeated n=12 times. Use either the binomial probability formula (or technology) to find the probability of k=2 successes given...

In a certain state license plates consist of 4 letters (26 letters in the alphabet) followed by 4 numbers (0-9). How many different license plates can be made in which no letter or number appears...

Probability question: Assume the following scenario. You have 10 numbers and you pick one at random. You write it down. You now pick from the same 10 numbers and write the second result down. In order...

70% of all children live with a dog. If 25 children were selected at random, what is the probability that at most 10 of them will be living with a dog?

After working at the Tropical Fruit Cafe for many years, the manager noticed the following about the customers' ordering and seating preferences: (i) 30% of the customers order Fancy Fruit Salad,...

Assume you have the scores of the first, second, and final exam for a group of students. Suppose a student miss the first and/or second exam. What are the most appropriate statistics approaches that...

For the standard normal distribution, find the area within one standard deviation of the mean that is, the area between μ − σ and μ + σ. Round to four decimal places. Show...

How does a smaller sample size and if the population is also normally distributed affect a confidence interval you have calculated ?

Using the Binomial distribution, If n=6 and p=0.5, find P(x=6). (round to 4 decimal places)

A baseball player has a batting average of 0.37. What is the probability that he has exactly 3 hits in his next 7 at bats? (round to 4 decimal places)

Determine whether the following statement makes sense (or is clearly true) or does not make sense (or is clearly false). A psychologist suspects that breathing exercises can help people with...

A specialty shoe manufacturer developed a new insole for running shoes. A study was produced in which some participants were given the insoles of a competitor’s product without the participants’ knowledge...

An anatomy teacher hypothesizes that the final grades in her class are distributed as 10% A's, 23% B's, 45% C's, 14% D's, and 8% F's. If at the end of the semester she has the following grades was...

A game at the fair involves ping-pong balls numbered 1 to 18. You can win a prize if you correctly choose the 5 numbers that are randomly drawn. What are your chances of winning?

50,51,53,54,55,55,57,57,59,62,62,63,63,65,66

2,3,4,5,x

Come up with a hypothesis about the correlation between college stress and college self-efficacy. Tell me if you think there is a positive, negative, or no correlation between these variables.

There are n=100 data points included in the dotplot. Estimate values at the 10th percentile and the 90th percentile for the data in the histogram given above. Round your answers...

Identify the set of possible values for each random variabl. ( make a reasonable estimate based on experienc, where necessary.) a: the number of hearts in a five card hand drawn...