15% of 40 = 6 so I’m guessing it would be 6
Answer:
√97
Step-by-step explanation:
Answer:
23 chalkboards
Step-by-step explanation:
Given:
Mean length = 5 m
Standard deviation = 0.01
Number of units ordered = 1000
Now,
The z factor =
or
The z factor =
or
Z = - 2
Now, the Probability P( length < 4.98 )
Also, From z table the p-value = 0.0228
therefore,
P( length < 4.98 ) = 0.0228
Hence, out of 1000 chalkboard ordered (0.0228 × 1000) = 23 chalkboard are likely to have lengths of under 4.98 m.
Answer:
x=-4
Step-by-step explanation:
Answer:
I think B and C
Step-by-step explanation:
Because they are the only ones that have more than two so you know it would be them