Among healthy men, their feet are not always the same length. The difference in length of right foot minus left foot has a mean of 0 cm and a standard deviation of 0.47 cm. I select a sample...

Among healthy men, their feet are not always the same length. The difference in length of right foot minus left foot has a mean of 0 cm and a standard deviation of 0.47 cm. I select a sample...

The fingernail growth rate among healthy women is normally distributed with a mean of 1.26 mm/week and a standard deviation of 0.32 mm/week. I examine a random sample of 12 women and measure the fingernail...

The reaction time from seeing a light to pressing a button has a mean of 0.84 s and a standard deviation of 0.56 s. A group of 15 professional athletes are given the reaction time test and their mean...

The five-number summary for midterm scores {number of points; the maximum possible score was 50 points} from an intro stats class is : Min 16.5, Q1 32, Median 39, Q3 43.5, Max 48.5. Would you expect...

In a study of exercise, a large group of male runners walk on a treadmill for 6 minutes. Their heart rates in beats per minute at the end vary from runner to runner according to the N(106,...

need to know about the formula which will be applied in the above question to find its probability

The scores of adults on an IQ test are approximately Normal with mean 100 and standard deviation 13. An organization requires an IQ score of 126 or higher for membership.

Use Table A to find the value z of a standard Normal variable that satisfies each of the following conditions. (Use the value of z from Table A that comes closest to satisfying the condition.) In...

74 5 66 6 81 8 52 11 73 12 62 15 52 16 45 17 62 18 46 18 60 19 46 20 38 20 y=31.934+(-0.304)x An ecologist uses the line, based on 13 colonies,...

The scores of adults on an IQ test are approximately Normal with mean 110 and standard deviation 17. An organization requires an IQ score of 144 or higher for membership. What percent of adults would...

the probability of a product failure is 0.5%, product success is 99.5% (this is not time dependent). how can I calculate the probability of this product failure over the course of the product life...

statistics question

The five-number summary for midterm scores {number of points; the maximum possible score was 50 points} from an intro stats class is: Min 16.5, Q1 32, Median 39, Q3 43.5, Max 48.5. Would you expect...

A thief steals an ATM card and must randomly guess the correct five-digit pin code from a 10-key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try...

scores of an iq test have a bell shaped distribution with a mean id 100 and a standard deviation of 20. use the empirical rule to determine the percentage of people has an iq score between 60 and...

The upper arm length of females over 20 years old in a country is approximately Normal with mean 35.1 centimeters (cm) and standard deviation 2.2 cm. Use the 68-95-99.7 rule.

Upper A report about the decline of Western investment in third world countries included this: "After A report about the decline of Western investment in third world countries included this:...

________ is the distribution of all values of the statistic when all possible samples of the same size n are taken from the same population. I chose the sampling distribution of a statistic because...

Which of the following is NOT a requirement for using the normal distribution as an approximation to the binomial distribution? Choose the correct answer below. A.The...

A tire company produced a batch of 6,700 tires that includes exactly 210 that are defective. a. If 4 tires are randomly selected for installation on a car, what is the probability that they are all...