Answer:
C. 0.1515
Step-by-step explanation:
The main objective here is to find the P-value for the test of 
Given that ;
the mean value = 2.2
the standard deviation = 1.4
number of recorded accident per week = 52
The null hypothesis is : 
The alternative hypothesis is : 
The Z- value can be calculated as:



z = -1.03
From the normal distribution table for probability;
P(z< -1.03 ) = 0.1515
Answer:
7/6 or 1.166666667
Step-by-step explanation:
I solved it on calculator
To 1 d.p 1.2
A categorical is the variable
Answer:
D
Step-by-step explanation:
usually anything with 11 on the numerator is a repeating decimal and the 0.37 is closest to 36.
so by guessing you know is D