1/6/2023-Big Quiz Warm Up
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Last updated over 2 years ago
6 questions
Note from the author:
READ THIS!!! DO NOT SUBMIT THIS WARM UP OR YOU WILL LOSE THE OPPORTUNITY TO COMPLETE IT..ONCE IT'S SUBMITTED, IT WILL GO AWAY!!!!
YOU WILL GET IMMEDIATE FEEDBACK AS USUAL, BUT ONLY SUBMIT IT ONCE YOU ACHIEVE 100%.
https://www.desmos.com/testing/virginia/graphing
READ THIS!!! DO NOT SUBMIT THIS WARM UP OR YOU WILL LOSE THE OPPORTUNITY TO COMPLETE IT..ONCE IT'S SUBMITTED, IT WILL GO AWAY!!!!
YOU WILL GET IMMEDIATE FEEDBACK AS USUAL, BUT ONLY SUBMIT IT ONCE YOU ACHIEVE 100%.
https://www.desmos.com/testing/virginia/graphing
1
The prices of various cereal boxes is normally distributed with a standard deviation of 0.5. If a box of Lucky Charms sells for $4.29 and has a z-score of 1.6, what is the mean price of a box of cereal?
give your answer rounded to the hundreth's place (like dollars and cents...$x.xx)
The prices of various cereal boxes is normally distributed with a standard deviation of 0.5. If a box of Lucky Charms sells for $4.29 and has a z-score of 1.6, what is the mean price of a box of cereal?
give your answer rounded to the hundreth's place (like dollars and cents...$x.xx)
Required
1
The air pressure of each tire in a group is normally distributed with a mean of 38 psi and a standard deviation of 2.6 psi. If a tire in this group has a z-score of 1.3, find it's air pressure.
round your answer to the nearest tenths place
The air pressure of each tire in a group is normally distributed with a mean of 38 psi and a standard deviation of 2.6 psi. If a tire in this group has a z-score of 1.3, find it's air pressure.
round your answer to the nearest tenths place
1
There are 23 students in your class. Your teacher has 3 prizes to give away: a pencil, an eraser, and a no homework coupon. How many ways can your teacher choose three students to win these awards?
There are 23 students in your class. Your teacher has 3 prizes to give away: a pencil, an eraser, and a no homework coupon. How many ways can your teacher choose three students to win these awards?
1
A 15 person soccer team wants to elect a leader, a co-leader and an alternate leader from the team. How many ways could they be selected?
A 15 person soccer team wants to elect a leader, a co-leader and an alternate leader from the team. How many ways could they be selected?
1
The heights of plants are normally distributed with a mean of 12 inches and a standard deviation of 2 inches. If there are 150 plants in the data set, how many plants are 15 inches or taller?
rounded to the nearest whole number
The heights of plants are normally distributed with a mean of 12 inches and a standard deviation of 2 inches. If there are 150 plants in the data set, how many plants are 15 inches or taller?
rounded to the nearest whole number
1
A population of rabbits had their weights measured. The weights were normally distributed. Approximately what percentage of the weights, rounded to the nearest whole number, are within two standard deviation of the mean?
give your answer as a %, using a whole number
A population of rabbits had their weights measured. The weights were normally distributed. Approximately what percentage of the weights, rounded to the nearest whole number, are within two standard deviation of the mean?
give your answer as a %, using a whole number