Will mark as brainliest Simplify 5 - 2 · 3 + 4.
2 answers:
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Answer:
0.0392,0.4709, 38083
Step-by-step explanation:
Given that XO Group Inc. conducted a survey of 13,000 brides and grooms married in the United States and found that the average cost of a wedding is $29,858
X is N(29,858, 5600)
Or is N*(0,1)
We can use std normal distribution table to get the probabilities
a) The probability that a wedding costs less than $20,000 (to 4 decimals)
=
=0.0392
b) the probability that a wedding costs between $20,000 and $30,000
=
c) For a wedding to be among the 5% most expensive, how much would it have to cost (to the nearest whole number)
=
Step-by-step explanation:
First, apply power rule