Homework help in stats

I charge aback in 45 mins. 1.Let Z be the accepted accustomed accidental variable.  What is P(Z>0.38)? 2.Let Z be the accepted accustomed accidental variable.  What is P(Z>-2.38)? 3.Let Z be the accepted accustomed accidental variable.  Find z so that the breadth to the larboard of z is 0.3156. 4.Let Z be the accepted accustomed accidental variable.  Find z>0 so that the breadth amid -z and +z is 0.95. 5.Assume the boilerplate bulk of precipitation in a boondocks of Texas, during the ages of April is 4.0 inches (the World Almanac, 2000).  Assume that a accustomed administration applies and that the accepted aberration is 0.5 inches.  What allotment of the time does the bulk of condensate in April beat 4.5 inches? 6.Assume the boilerplate bulk of precipitation in a boondocks of Texas, during the ages of April is 4.0 inches (the World Almanac, 2000).  Assume that a accustomed administration applies and that the accepted aberration is 0.5 inches.  What allotment of the time does the bulk of condensate in April be beneath than 4.5 inches? 7.Let Z be the accepted accustomed accidental variable. What is P(-1.98<Z<0.79)? 8.Let Z be the accepted accustomed accidental variable.  What is P(Z<-1.38)? 9.Let Z be the accepted accustomed accidental variable.  What is P(Z<2.38)? 10.Assume the boilerplate bulk of precipitation in a boondocks of Texas, during the ages of April is 4.0 inches (the World Almanac, 2000).  Assume that a accustomed administration applies and that the accepted aberration is 0.5 inches.  A ages is classified as acutely wet if the bulk of condensate is in the high 10% for the month.  How abundant precipitation charge abatement in April for it to be classified as acutely wet?

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