For a sample size of n = 100, and σ = 10, we want to test the hypothesis H0: μ = 100. The sample mean is 103. The test statistic is: a. 1.645
b. 1.960
c. 3.000
d. 0.300

When benny’s sister penny is 24, benny’s age will be 125% of her age. how old is lenny? a) how old will benny be then? b)if benny is 12 years old now, how old is penny now? explain your reasoning.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Do you mind if you guys me with this question i’m on number 8