a factory makes car batteries. the probability that a batterie is defective is 1/16. if 400 batteries are tested, about how many are expected to be defective. (A. 16) (B. 25) (C. 375) (D. 40)

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

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Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)