Multiple choice PLEASE HELP
1 answer:
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Answer:
The value is
Step-by-step explanation:
From the question we are told that
The mean is
The standard deviation
Generally the probability that in June , the midday temperature is between
39°C and 42°C is mathematically represented as
=>
From the z table the area under the normal curve to the left corresponding to 1 and 2 is
P(Z < 2) = 0.97725
and
P(Z < 1) = 0.84134
=>
Generally number of days in June would you expect the midday temperature to be between 39°C and 42°C
Here n is the number of days in June which is n = 30
=>