the lengths of replacement car wiper blades are normally distributed with mean 25cm and standard deviation 0.2cm. for a batch of 200 wiper blades, how many would be expected to be 25.3cm or more in length?​

Answers4.) -1/205.) -1/406.) -55/127.) -3/4

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*