BabyJah20 BabyJah20

23-04-2018
Mathematics

contestada

A test consists of 490 true or false questions. If the student guesses on each question, what is the standard deviation of the number of correct answers? Round the answer to the nearest hundredth.

Respuesta :

TrippieReddd TrippieReddd

23-04-2018

I believe the answer is 1.

Answer Link

Otras preguntas

Write the expression (4X -2)•6(2X +7)in the standard form of a quadratic expression

Why did the Homestead Act prompt a lot of people to head westward? A. Settlers were provided with a house and a horse. B. They heard there were many minerals

Use polymer in a sentence

how is malleability of metals used in our daily life?

What was the average life expectancy in the United States in the year 1900? a. 40 years b. 50 years c. 60 years d. 65 years

how do we know that Otzi the Iceman was civilized and intelligent?

A math problem that equals 8?

Which of the following is an intermediate direction? a. north b. northwest c. south d. east

the image of (-4,-3) reflected along the x-axis is?

whats the answer to 9/16 + 1/2