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

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

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,...

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...

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.

Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard deviation of 15 .

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...

________ 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...

The population of current statistics students has ages with mean μ and standard deviation σ. Samples of statistics students are randomly selected so that there are exactly 38 students in each sample...

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...

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...

No idea how to get the coded mean. question is to find the standard deviation

I'm not sure how to do this. please help

Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following probability, given the number of trials and the probability of obtaining...

Scores on the Wechsler Adult Intelligence Scale (WAIS) are approximately Normal with mean 97 and standard deviation 14. People with WAIS scores below 69 are considered intellectually disabled when,...

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...

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...

A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50% of this population prefers the color red. If 12 buyers are randomly selected, what is...

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.

Joe is currently 30. He plans to invest $275 a month in a retirement plan until he’s 68. How much money will he have if he can draw 10% interest on his investments?

1. Determine the highest level of measurement (nominal, ordinal, or Interval-ratio) for each of the following variables. Identify the highest level at which the variable might be measured. Explain...

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