Final answer:
To find the area above 29 for a N(15,5) distribution, standardize the value of 29 and use the standard normal distribution table. For the area below 11 in a N(15,5) distribution, standardize the value of 11 and use the standard normal distribution table.
Step-by-step explanation:
To find the area above 29 for a N(15,5) distribution, we can use the standard normal distribution table or a calculator. First, we need to standardize the value of 29 using the formula z = (x - mean) / standard deviation. In this case, z = (29 - 15) / 5 = 2.8. Using the standard normal distribution table, we can find that the area to the right of 2.8 is approximately 0.0026.
To find the area below 11 for a N(15,5) distribution, we can follow a similar process. Standardize the value of 11: z = (11 - 15) / 5 = -0.8. Using the standard normal distribution table, we find that the area to the left of -0.8 is approximately 0.2119.