An office building has two fire detectors.  The probability is 0.15 that any fire detector of this type will fail to go off during a fire.  Find the probability that both fire detectors will fail to go off in case of a fire.  Assume that these two fire detectors are independent of each other.  Round your answer to four decimal places.

Eric has a 59% chance of receiving an A grade in statistics, a 57% chance of receiving an A grade in chemistry, and a 48% chance of receiving A grades in both statistics and chemistry. Find the probability that he receives an A in statistics or chemistry (or both). Write your answer as a decimal (not as a percentage). Continue Submit Assignment O 2021 McGraw Hill LLC All Rights Reserved. Terms of UseI Privacy Center Accessibility aquí para buscar 9°C Muy nublado

John runs a computer software store. Yesterday he counted 131 people who walked by the store, 66 of whom came into the store. Of the 66, only 29 bought something in the store. (Round your answers to two decimal places.) Estimate the probability that a person who walks by the store will enter the store. Estimate the probability that a person who walks into the store will buy something. Estimate the probability that a person who walks by the store will come in and buy something.

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