Answer:
3
Step-by-step explanation:
12÷4=3
Hope this will help you!
1800 divided by 25 is 72. He types 72 words per minute.
757 units squared. Here is work:
Answer:
E. When the sample size increases, because the standard deviation of the distribution of sample means better estimates the population standard deviation for larger sample sizes.
Step-by-step explanation:
- T distribution is similar to the normal distribution and is seen when the estimates of the variance are based on the degree of freedom and has a relatively more score in its tail and has a greater change of extreme values.
Answer:
Neither.
Step-by-step explanation:
You can only add exponents when multiple, or subtract when dividing.
Also, 2x^3 and 2x^2 are two different terms, not like terms, so cannot subtract the two.