Answer:
szds g dstgfhsfasf
Step-by-step explanation:
so u subtract 7965-4m4m4
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 ![(Z =\frac{\overline{X} - \nu }{\frac{\sigma }{\sqrt{n}}})](https://tex.z-dn.net/?f=%28Z%20%3D%5Cfrac%7B%5Coverline%7BX%7D%20-%20%5Cnu%20%7D%7B%5Cfrac%7B%5Csigma%20%7D%7B%5Csqrt%7Bn%7D%7D%7D%29)
=
( Using Z table )
= 0.1515