Answer:
d) The z-value is -0.31
Step-by-step explanation:
-Given that Natalia's saving is $470, mean claim amount is $490 and the standard deviation is $65
-Let Natalia's savings be X
#The z-value is calculated using the formula:

Hence, Natalia's z-value is -0.31
Answer: 324.00 i think
Step-by-step explanation:
0-2+9=7 is the answer I think
The 5s are in the tens and one