Answered step by step
Verified Expert Solution
Question
1 Approved Answer
A brisk walk at 4 miles per hour burns an average of 300 calories per hour. If the standard deviation of the distribution is 8
A brisk walk at 4 miles per hour burns an average of 300 calories per hour. If the standard deviation of the distribution is 8 calories, find the probability that a person who walks one hour at the rate of 4 miles per hour will burn the following calories. Assume the variable is normally distributed. Draw the normal curve and label appropriately for each problem. a. P (more than 290 calories) _______________ b. P (between 280 and 320 calories) _______________ c. P(less than 280 calories) _______________ d. Would it be unusual for the person to burn less than 280 calories? ______________ 8. Assume that the mean systolic blood pressure of normal adults is 120 millimeters of mercury (mmHg) and the standard deviation is 5.6. Assume the variable is normally distributed. a. If an individual is selected, find the probability that the individual's pressure will be less than 118 mmHg. __________ b. A random sample of 40 adults is selected. According to the Central Limit Theorem, the mean is ________________ and the standard deviation is ___________________ c. If a sample of 40 adults is randomly selected, find the probability that the mean pressure will be less than 118 mmHg. __________
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started