Question

#1 A check of dorms revealed that 38% had refrigerators, 52% had TV's and 21% had both a TV and a refrigerator. What's the probability that a randomly selected dorm room has: (a) a TV but no refrigerator (b) a TV or refrigerator but not both (c) neither a TV nor a refrigerator a) Probability TV no fridge

Name: 1 a check of dorms revealed that 38 had refrigerators 52 had tvs and 21 had both a tv and a refrigerator whats the probability that a randomly selected dorm room has a a tv but no refrigerat 82223
Uploaded: 2024-07-28T11:41:31-08:00
Duration: 2 min 31 s
Channel: Jerelyn Nevil
Description: 1 a check of dorms revealed that 38 had refrigerators 52 had tvs and 21 had both a tv and a refrigerator whats the probability that a randomly selected dorm room has a a tv but no refrigerat 82223

          #1 A check of dorms revealed that 38% had refrigerators, 52% had TV's and 21% had both a TV and a refrigerator. What's the probability that a randomly selected dorm room has:
(a) a TV but no refrigerator
(b) a TV or refrigerator but not both
(c) neither a TV nor a refrigerator
a) Probability TV no fridge

1 a check of dorms revealed that 38 had refrigerators 52 had tvs and 21 had both a tv and a refrigerator whats the probability that a randomly selected dorm room has a a tv but no refrigerat 82223

Added by Dawn M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Jerelyn Nevil

07/28/2024

Step 1

Let T be the event that a dorm room has a TV. We are given the following probabilities: P(R) = 38% = 0.38 P(T) = 52% = 0.52 P(T and R) = P(T $\cap$ R) = 21% = 0.21 We need to find the probabilities for the following scenarios: (a) a TV but no refrigerator (b) a Show more…

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#1 A check of dorms revealed that 38% had refrigerators, 52% had TV's and 21% had both a TV and a refrigerator. What's the probability that a randomly selected dorm room has: (a) a TV but no refrigerator (b) a TV or refrigerator but not both (c) neither a TV nor a refrigerator a) Probability TV no fridge