hmacey85 hmacey85
  • 14-04-2024
  • Mathematics
contestada

60 students were asked how long it took them to travel to school. Their travel times are normally distributed with a mean of 20 minutes and a standard deviation of 5 minutes.Find the expected number of students who took between 15 and 25 minutes to travel to school.

Respuesta :

Otras preguntas

Explain why sedimentary rocks are found as a veneer covering large areas of the continental igneous rocks
A sailboat has a mast that holds a triangular sail.The sail has a base of twelve meters and a height of nine meters. The cost of the sail is $15 per square mete
How do I write n+5n= 12c-c= and -4j-1-4j+6= in simplest form?
How much work does a mother do if she lifts each of her twin babies upward 1 meter? Each baby weighs 90 newtons.
Are there any personifications in the poem jimmy jet and his TV set?
help calculate 6x+14=32
Frank is putting up a wallpaper in his bedroom. His bedroom measures 1 1/8 feet long and 9 3/4 feet wide. What is the perimeter of Franks bedroom?
What is the simplest form of the fraction 4/10
What is the simplest form of the fraction 4/10
Explain why sedimentary rocks are found as a veneer covering large areas of the continental igneous rocks