Value of standard deviation for data

Reference no: EM1318639

Q1) Survey taken illustrates 70% of CEOs vote Republican and 30% vote Democratic. There are no third party votes and no one abstains. If you ask 40 CEOs, determine the probability of CEOs:

a) Exactly 20 voting Republican?

b) 15 or less voting Republican?

c) 20 or more voting Republican

d) What one number is the expected number of CEOs who will vote republican if you ask 40 (i.e. 8, 9, or 11,etc.)?

e) What value is standard deviation for this data?

f) What type of probability is this?

Reference no: EM1318639

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