The table gives​ Josh's probabilities of scoring in various ranges on a​ par-70 course. In a given​ round, find the probability of the event. less than 90. x​P(x)Below 600.0360dash–640.0765dash–690.1870dash–740.2675dash–790.2380dash–840.0985dash–890.0790dash–940.0395dash–990.03100 or above0.01 The probability of Josh scoringless than 90is_?.​(Simplify your answer. Type an integer or a​ decimal.)

Question
Asked Apr 19, 2019
The table gives​ Josh's probabilities of scoring in various ranges on a​ par-70 course. In a given​ round, find the probability of the event.
 
less than 90.
 
x
​P(x)
Below 60
0.03
60dash–64
0.07
65dash–69
0.18
70dash–74
0.26
75dash–79
0.23
80dash–84
0.09
85dash–89
0.07
90dash–94
0.03
95dash–99
0.03
100 or above
0.01
 
The probability of Josh scoring
less than 90
is_?.
​(Simplify your answer. Type an integer or a​ decimal.)
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Expert Answer

Step 1

Explanation:

The probability that X is less than 90 is the same as the probability that X takes a value up to 89, that is, P (X < 90) = P (X ≤ 89).

From the given table, this probability can be obtained by adding all the probabilities, that is, all the P (x) val...

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