Answer:
Option B) 9.1
Step-by-step explanation:
We are given the following in the question:
Average score = 490.4
Standard deviation = 63.7
Sample size, n = 49
Formula:
Putting values, we get,
Standard error =
Thus, the correct answer is
Option B) 9.1
-3(x+(3))^2-4 is the answer
Answer:
Petra would need to save for 12 weeks to get 126
126+34.75=160.75
Yeah I’m pretty sure you’re right
Answer:
-1 + -4 = -5 below zero....If the temperature is -1 + 4 the temperature would be 3 degrees (-1+4=3)
Step-by-step explanation:
If the temperature is -1 + -4 = -5 below zero (adding two negatives equal a negative number).
If the temperate is -1 + 4 = 3 (+4-1=3) The number is positive because it is larger than the negative number.
