plymalelisa0802 plymalelisa0802
  • 12-04-2021
  • Mathematics
contestada

find the mean variance and standard deviation for the number of heads when a coin is tossed 30 times

Respuesta :

Аноним Аноним
  • 12-04-2021

Answer:

mean=10*1/2=5

variance=10*1/2*1/2=2.5

standard deviation=sqrt2.5=1.58

Step-by-step explanation: Hope this helps Have a good day :)

Answer Link

Otras preguntas

Compare the three types of volcanic mountains in terms of shape , type of eruption and the materials that make up volcano.
2x + y = 3 x - 2y = -1 If equation one is multiplied by 2 and then the equations are added, the result is _____.
Carlos is walking on a moving walkway. His speed is given by the function C(x) = 3 x 2 + 3x - 4, and the speed of the walkway is W(x) = x 2 - 4x + 7. 20.
Hellppppppp with this twoooooooo
The ratio of red collars to black collars sold at one store is 9 to 10. In one month 30 black collars were sold. Is 57 a reasonable number for the total number
2x + y = 3 x - 2y = -1 If equation one is multiplied by 2 and then the equations are added, the result is _____.
what were some of the common occupations,cultural practice and traditions in the south Carolina  colony
Perform the following calculations. Express the answers with the correct number of significant figures.a) 7 g - 3.5 g - 2.75 g = b) 200.00 kg - 199.0 kg = c) 25
Who was the 24 president of the United States?
There are 15 black mice in a cage. The ratio of all mice to black mice is 5:1. How many mice are in a cage?