Mathematics, 07.07.2021 22:30 sierraaasifuent
NEED HELP
The average amount of money spent for lunch per person in the college cafeteria is $6.75 and the standard deviation is $2.28. Suppose that 18 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible.
C. For a single randomly selected lunch patron, find the probability that this
patron's lunch cost is between $7.0039 and $7.8026.
D. For the group of 18 patrons, find the probability that the average lunch cost is between $7.0039 and $7.8026.
Answers: 2
Mathematics, 21.06.2019 18:40
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
Mathematics, 21.06.2019 20:30
What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi
Answers: 1
Mathematics, 22.06.2019 01:00
Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit
Answers: 1
Mathematics, 22.06.2019 03:00
The length of the shadow of a building is 120 meters, as shown below: building shadow 120 m what is the height of the building? (1 point)
Answers: 1
NEED HELP
The average amount of money spent for lunch per person in the college cafeteria is $6.75...
Mathematics, 14.10.2021 03:50
Mathematics, 14.10.2021 03:50
Business, 14.10.2021 03:50
History, 14.10.2021 03:50
Mathematics, 14.10.2021 04:00
Social Studies, 14.10.2021 04:00
Mathematics, 14.10.2021 04:00
Mathematics, 14.10.2021 04:00
Mathematics, 14.10.2021 04:00
Social Studies, 14.10.2021 04:10