if you could help me understand the process for these different problems that would be truly lovely

.4. population of values has a normal distribution with p. = 143.3 and or = 92.3.'1'ou intend to draw a random sample of sizes; 2 49. a. Find the probability that a single randomly selected value is less than 144.3. PIX 144.31: :l Round to 4 decimal places. b. Find the probability that the sample mean is less than 144.3. FLT 144.31: C] Round to 4 decimal places. Answers obtained using exact zscores or z-scores rounded to 2 decimal places are accepted. A population of values has a normal distribution with / = 154.7 and o = 79.3. You intend to draw a random sample of size n = 158. a. Find the probability that a single randomly selected value is between 166.7 and 169.8. P(166.7