Multiply by -4 on both sides.
this makes z<-8
The correct value is -10.
7 plus negative 10 equals negative 3.
Negative 3 times 4 equals -12.
Or, (7+-10=-3•4=-12)
Answer:
D: 1600cm^2
Step-by-step explanation:
Answer:
The correct option is 1.
Step-by-step explanation:
The total number of patient is 80 and out of these patients 9 patients had their teeth whitened.
The confidence interval is 95%.
The probability of patient had teeth whitened is
The z-score for 95% confidence interval is 1.96.
The confidence limit is defined as
These values are in percent.
Therefore option 1 is correct.
Answer: whats the question
Step-by-step explanation: