5 is the mean of variable a I might be wrong
Answer:
28 eggs
Step-by-step explanation:
It takes a hen and a half to lay an egg and a half in a day and a half - this means it takes 1 hen to lay 1 egg in a day and a half. Therefore, 1 hen will lay 4 eggs in 6 days, and 7 hens will lay 28 eggs in 6 days.
Answer:

Step-by-step explanation:
Given


Required
Determine the probability before the request of past experience
In this case, we only consider the 50 50 chance probability



If I was u I would use Photomath Bc it is super easy and answers almost all your answers
By the definition of the hyperbolic function tanh x, we have proven that 
<h3>Hyperbolic functions & Proof of identities </h3>
By definition

Then,















Hence, we have proven that 
Learn more on Proof of Identities here: brainly.com/question/2561079
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