Let the distribution of x be binomial(150,0.8). the next 4 questions correspond to this information. the answer may be rounded up to 3 decimal places of the actual value:

22

step-by-step explanation:

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

49%

step-by-step explanation:

when you realize that you dont know just realize i just took a test and im so smart