What is the expanded form of the expression ∑i=0⇵4 i^4? a) 0^2+4^2 b) 1^4+2^4+3^4+4^4 c) 0^4+1^4+2^4+3^4 d) 0^4+1^4+2^4+3^4+4^4

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables