fffcc4139 fffcc4139
  • 23-05-2023
  • Mathematics
contestada

A certain exam has 20 questions. The OLEX-Moodle system randomizes the order of these questions for each student. For two students A and B, what is the expected number of questions that appear in the same position for both of them?

Respuesta :

Otras preguntas

a student measures the mass of an 8cm block of brown sugar to be 12.9g. what is the density of the brown sugar
Together tom and max have 72 football cards.  Tom has two more than four times as many cards as max has.  How many cards does Tom have?
What is 1/10 of .003=
A given rectangle has an area of 20 square feet. What is the length for various widths?
In a recent survey of 500 people, 345 said they preferred Little Ceasers to Dominoes. What Percent liked Little Caesars.
Write the expression in factored form. 3m-6n 12x-18y 6x-18
13 apples for 2 pies
A map measuring 60 cm by 25 cm is reduced twice in the ratio 3:5. Calculate the final dimensions of the map.
what does 5.2E11 mean on a calculater
Leo reads 13 pages in 1/3 hour.  what is the unit rate for pages per hour? what is the unit rate for hours per page?