Mathematics, 13.07.2021 17:10 andy6128
The time it takes a student to walk from the dorm to the chemistry lab follows roughly a Normal distribution with a mean of 20 minutes and a standard deviation of 3 minutes. Suppose you are waiting for your friend at the chemistry lab. She is walking from the dorm to the lab. Fifteen minutes have already passed since the time she left the dorm. What is the probability she will arrive at the chemistry lab in the next 10 minutes (for a total walking time of less than 25 minutes)
a. What proportion of students is faster than 15 minutes when walking from the dorm to the chemistry lab?
b. How long does it take the slowest 10% of the students to walk from the dorms to the chemistry lab?
Answers: 3
Mathematics, 21.06.2019 15:30
Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?
Answers: 3
Mathematics, 21.06.2019 15:30
The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches
Answers: 3
Mathematics, 21.06.2019 16:00
Determine the relationship of ab and cd given the following points
Answers: 2
Mathematics, 21.06.2019 23:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.
Answers: 2
The time it takes a student to walk from the dorm to the chemistry lab follows roughly a Normal dist...
Mathematics, 08.01.2020 03:31
English, 08.01.2020 03:31
Mathematics, 08.01.2020 03:31
Mathematics, 08.01.2020 03:31
Mathematics, 08.01.2020 03:31
Mathematics, 08.01.2020 03:31
Mathematics, 08.01.2020 03:31
Mathematics, 08.01.2020 03:31
Mathematics, 08.01.2020 03:31
Mathematics, 08.01.2020 03:31
English, 08.01.2020 03:31
Mathematics, 08.01.2020 03:31