
(1 point) Let Xl be independent and normally distributed with common mean 3 and standard deviation...
Assume the random variable x is normally distributed with mean μ=82 and standard deviation σ=44. Find the indicated probability. P(x<79 ) P(xl<79 )=______ (Round to four decimal places as needed.)
Let X be normally distributed with mean μ = 10 and standard deviation σ = 6. What is P(X = 10)? Provide 4 decimal places in your answer.
Scores on a quiz are normally distributed with a mean of 9.6 and a standard deviation of 3. Compute the z score for a quiz score of 10. Round your final answer to three decimal places.
Let X be normally distributed with mean μ = 10 and standard deviation σ = 6. Provide 4 decimal places in your answer. What is P(3.5 ≤ X ≤ 10)? What is P(X = 10)?
IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual is randomly chosen. Let X = IQ of an individual Find the probability that the person has an IQ greater than 115. Write the probability statement P(___) What is the probability? (Round your answer to four decimal places.)
Assume that the random variable X is normally distributed, with mean 60 and standard deviation - 14. Compute the probability P156X565) Be sure to draw a normal curve the corresponding to the probability shaded Click here to view the standard normal distribution table (page 1) Click here to view the standard normaltaistribution table (page 21 Draw a normal curve with the area corresponding to the probability shaded. Choose the correct graph below ОА ОВ. Ос. OD 5606 The probability P(56<X266)...
LSAT test scores are normally distributed with a mean of 152 and a standard deviation of 5. Find the probability that a randomly chosen test-taker will score 147 or lower. (Round your answer to four decimal places.)
LSAT test scores are normally distributed with a mean of 157 and a standard deviation of 6. Find the probability that a randomly chosen test-taker will score 151 or lower. (Round your answer to four decimal places.)
Let x be a continuous random variable that is normally distributed with a mean of 36 and a standard deviation of 5. Find the probability the x is less than 38. Round to four decimal places.
normally distributed with a mean of 4.00 s and a standard deviation of 0.70 A safety light is designed so that the times between flashes are a. Find the probability that an individual time is greater than 5.00 s. b. Find the probability that the mean for 50 randomly selected times is greater than 5.00s c. Given that the light is intended to help people b. The probability is approximately (Round to four decimal places as needed.)