For a standard normal distribution, if p(z< _a)=0.7116,what is the value of p(z< _a)? 0.2116 0.2884 0.7116 0.7884

Explanation :

A standard normal distribution table gives the information about the probability.

The normal distribution has mean is equal to zero and standard deviation is equal to 1.

In this case, it is given that

So, we have to find

It is obvious that,  .

Also,

Hence, this is the required solution.

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explanation:

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min