Answer:
17.94
I think you would do 897 divided by 50. Tell me if im wrong.
Answer:
I think Letter E
Step-by-step explanation:
Because all r negative numbers
Answer:
The minimum sample size is
Step-by-step explanation:
From the question we are told that
The confidence interval is
The margin of error is
Generally the sample proportion can be mathematically evaluated as
Given that the confidence level is 98% then the level of significance can be mathematically evaluated as
Next we obtain the critical value of from the normal distribution table
The value is
Generally the minimum sample size is evaluated as
Answer:
670 animals
Step-by-step explanation:
First, round both numbers to the nearest ten. Remember that the numbers 4 and under round down (e.g. 143 = 140) and the numbers 5 and above round up (e.g. 145 = 150).
218 = rounds up = 220
454 = rounds down = 450
Finally, add the rounded numbers together.
220 + 450 = 670
The zoo has approximately 670 animals.