Answer:
2.181m of ribbon is left
Step-by-step explanation:
Answer:
B Most grandparents do Not feel safe entering their account information online
Step-by-step explanation:
Percent means out of 100
So 32 out of 100 grandparents feel safe entering their data
68 out of 100 grandparents do not feel safe entering their data
Based on the results more do not feel safe than feel safe.
Answer:
12
Step-by-step explanation:
you just have to substitute -9 into -2x-6
-2(-9) - 6
18 - 6
=12
hope that helps
Answer:
Approximate probability that is less than 2 = 0.1515
Step-by-step explanation:
Given -
Mean = 2.2
Standard deviation = 1.4
Sample size ( n ) = 52
Let be the mean of accidents per week at the intersection during one year (52 weeks) .
probability that is less than 2 =
= Putting
= ( Using Z table )
= 0.1515