subject
SAT, 29.12.2021 14:00 guzmangisselle

A television show tests the abilities of alleged psychics by presenting contestants with a set of 444 cards placed upside down, 111 of which has a star printed on it. Each contestant attempts to identify which card has the star on it for a series of 505050 trials. Assuming that the contestants are purely guessing, what are the mean and standard deviation of the number of trials where the contestant guesses correctly? you may round your answers to the nearest tenth.

ansver
Answers: 1

Another question on SAT

question
SAT, 27.06.2019 01:00
How do we determine if they are made with matter
Answers: 1
question
SAT, 27.06.2019 04:00
To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use
Answers: 1
question
SAT, 28.06.2019 06:50
What is the amount that shareholders contribute
Answers: 2
question
SAT, 30.06.2019 17:00
The length of each side of a square is 1 centimeter more than the width of the rectangle. the length of the rectangle is 1 centimeter less than twice it’s width. the perimeters of the two figures are equal. determine the measures of the side lengths of the rectangle. show all work i have a test tomorrow
Answers: 1
You know the right answer?
A television show tests the abilities of alleged psychics by presenting contestants with a set of 44...
Questions
question
Mathematics, 07.10.2019 00:30
question
Mathematics, 07.10.2019 00:30
Questions on the website: 13722361