The answer is 2 if this is right can i please have brainlyest
OptionAStep-by-step explanation:95% confidence interval is obtained using the following formulaCOnfidence interval lower bound = mean - critical value * sigma/sq rt nand upper bound = mean + critical value*sigma/sq rt nThus margin of error = critical value*sigma/rt nvaries indirectly as n provided others are remaining the same.Hence lower sample indicates higher margin of errorOut of 4 options given we find that 1 option has maximum margin of error as 21%Hence option. A is most likely coming from a small sample.
If the number is 5 or greater you round it up
if its four or less you round down
Answer:
PQR=1
Step-by-step explanation:
Answer:
1 r= 68/55
2 no solution
Step-by-step explanation: