Answer:
Step-by-step explanation:
a) it is true that the bigger the sample size, the more accurate the reported average of the sample. An increased sample size gives a smaller standard deviation. This improves accuracy.
b) It is false. A type 1 error occurs when a true null hypothesis is rejected
c) It is true. The null hypothesis is considered true until the alternative hypothesis which is contrary is favoured by sufficient evidence.
Answer:
True because it has different inputs and a function cannot have more than one of the same inputs.
Step-by-step explanation:
a.120÷100×20
profit=24
=24+120
=144
b.289÷100×15
=43.35
289-43.35
=245.65
Answer
The triangle is scalene triangle