The following table provides a frequency distribution for the number of rooms in this​ country's housing units. The frequencies are in thousands.   Rooms No. of units 1 562   2 1,484   3 10,995   4 23,376   5 27,927   6 24,654   7 14,656   8+ 17,236

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The following table provides a frequency distribution for the number of rooms in this​ country's housing units. The frequencies are in thousands.
 
Rooms
No. of units
1
562
 
2
1,484
 
3
10,995
 
4
23,376
 
5
27,927
 
6
24,654
 
7
14,656
 
8+
17,236
 
 
 
A housing unit is selected at random. Find the following probabilities.
 
a. Find the probability that the housing unit obtained has four rooms.
 
The probability is
​(Round to three decimal places as​ needed.)
 
b. Find the probability that the housing unit obtained has more than four rooms.
 
The probability is
​(Round to three decimal places as​ needed.)
 
c. Find the probability that the housing unit obtained has one or two rooms.
 
The probability is
​(Round to three decimal places as​ needed.)
 
d. Find the probability that the housing unit obtained has fewer than one room.
 
The probability is
​(Round to three decimal places as​ needed.)
 
e. Find the probability that the housing unit obtained has one or more rooms.
 
The probability is
​(Round to three decimal places as​ needed.)
 
 
Expert Solution
Step 1: Introduce the given information

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Given frequency distribution table is,

RoomsNo. of units (frequency)
1562
21484
310995
423376
527927
624654
714656
8+17236
Total120890
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