Answer:
b right handed boys
Step-by-step explanation:
Answer:
132:110.4
Step-by-step explanation:
The gradient of the line with that equation is -3/4
Answer:
it will take A 4.5 hour
Step-by-step explanation:
Say both teams are of same man power, and here we have two teams
A and B
B takes 13 hours to finish a task.
A&B takes 8.5 hours to finish same tasks
Hence it will take A 13-8.5=4.5 hours to complete the task
Answer:
p = 0.52392
Step-by-step explanation:
Here we have
p = 23% = 0.23
= 208/800 = 0.26
n = 800
q = 1-p = 0.77
α = 5% = 0.05
Here we have
Z test given by

From which we have
From the Cpdf we have Probability = 0.0219, z = 2.016
Therefore from the z score = 0.0683, p = 0.52392 from z table.