A variable is normally distributed with mean 10 and standard deviation 3. Find the percentage of all possible values of the variable that a. lie between 6 and 7.b. are at least 10.c. are at most 17.5.

encircle ALL of the correct answers in this given questions. ALL questions should be answered

The mean July daily rainfall in Waterville is 10mm and the standard deviation is 1.5mm. Assume that this data is normally distributed. How many days in July would you expect the daily rainfall to be less than 8.5 mm?  A.  5  B. 4  C. 3  D. 2  The type of variable which can take integer values is classified as  Measuring variables  B.  Flowchart variable  Continuous variable  D.  Discrete variable Find the percentage of population z < 1  A. P = 97.95%   B. P= 84.14%  C. P = 34.14%  D. P= 50%  Q28. Computing P (0.85 < Z  ≤2.23)≤2.23)   A. P = 18.48%  B. P= 18.76%  C. P = 18.49%  D. P= 18.23%

ent will 3. The average price of a personal computer is $949. If the computer prices are approximately normally distributed with a standard deviation of $100... a. the top 20% of personal computers cost more than what amount? b. the least expensive 10% of personal computers cost less than what amount?

Please awnser following question    2. An overbearing mother recorded the number of minutes her daughter spentexercising over 4 days. Here are the number of minutes per day:2, 9, 14, 15a. Write out the formula for: mean of xb. Use the formula to evaluate mean of x, by plugging in the values and manually carrying outthe calculation.c. Write out the formula for standard deviation.   Please solve a, b and c

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