Please help with HW

*Round all intermediate steps and final answers to 3 decimal

You will need R or the Online R Console or RStudio Cloud for this question. Desmos Scientic Calculator Scores on a statistics nal in a large class were normally distributed with a mean of 78 and a standard deviation of 7. What is the probability that a randomly chosen student scored between 80 and 90? If there are two answers, list both answers separated by a comma. 0 Question 7 B on pt '0 3 8 5 You will need R or the Online R Console or RStudio Cloud for this question. Desmos Scientic Calculator The cholesterol levels for U.S. adults are normally distributed with a mean of 207 and a standard deviation of 43. What cholesterol level separates the lowest 20%? If there are two answers. list both answers separated by a comma. 0 Question 8 B on pt '0 3 Z 5 You will need R or the Online R Console or RStudio Cloud for this question. Desmos Scientic Calculator The mean income for people in Dallas (in thousands of dollars) is 37 with standard deviation 16 {thousands of dollars). A pollster selects a random person to interview. What is the probability that the person's income is more than 25 {thousands of dollars)? If there are two answers. list both answers separated by a comma. 0 Question 9 B on pt '0 3 2:5 5 You will need R or the Online R Console or RStudio Cloud for this question. Desmos Scientic Calculator Episodes of shows on Disney+ have a mean length of 33.5 minutes and a standard deviation of 8.6 minutes. What percent of episodes on Disney+ are between 45 minutes and 50 minutes long? If there are two answers. list both answers separated by a comma. 0 Question 10 B on pt '0 3 8 5 You will need R or the Online R Console or RStudio Cloud for this question. Desmos Scientic Calculator The mean distance that commuters in the U.S. travel each day to work is 19 miles. The standard deviation is 6 miles. Assuming the commute distances are normally distributed, we can determine that 89% of the commute distances are between what two values? If there are two answers, list both answers separated by a comma