The is answer is 324. The previous number is multiplied by -3.
26% = 26%/100%
26/100, 13/50
answer is 13/50
Answer:
25x + 100 = 11300
25x = 11200
448 = x
Step-by-step explanation:
the certain number is 448
Answer: The number of days would be 7 days.
Step-by-step explanation:
Since we have given that
Variance = 30°
Standard deviation = √30 = 5.47
Mean = 4°
At 95% confidence, z = 1.96
So, number of days that the researcher select to measure the temperature would be

Hence, the number of days would be 7 days.