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A brisk walk at 4 miles per hour burns an average of 320 calories per hour. If the standard deviation of the distribution is 7 calories, find the probability that a person who walks 1 hour at the rate of 4 miles per hour will burn the given number of calories. Assume the random variable is normally distributed
More than 309 calories
The probability that a randomly selected person burns more than 309 calories is _%
The U.S. Bureau of Prisons publishes data in Statistics Report on the times served by prisoners released from federal institutions for the first time.
What is the probability that (a) the birthdays of twelve people will fall in twelve di?erent calendar months (assume equal probabilities for the twelve months).
The daily revenue totals for the next 30 days will be monitored. What is the probability that the mean daily revenue for the next 30 days will be between $7000 and $7500?
in one particular investigation a sample of 48 shear strength observations gave a sample mean strength of 17.17 nmm2
According to the survey, 37% of the adults are concerned that employers are monitoring phone calls. Use the binomial distribution formula to calculate the probability that:
The arrivals of new telephone calls at a telephone switching office is a Poisson process N(t) with an arrival rate of λ = 4 calls per second. An experiment consists of monitoring the switching office and recording N(t) over a 10-second interval.
americans have become increasingly concerned about the rising cost of medicare. in 1990 the average annual medicare
Olympic Track related question: You know the last 5 race times at the same distance for 8 runners competing in a race. As such, you can calculate the mean, sd, and variance for each.
The mean, median, and mode are the most common measures of dispersion (spread).
an octave contains twelve distinct notes on a piano five black keys and seven white keys. how many different
1 a datset is provided on a 2 factor experiment on the amount of crop yield from 3 different farming methods and 4
Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
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