Recent content by confusedonpro

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    Undergrad How Do Conditional Probabilities Affect Ralph's Decision to Use an Umbrella?

    Thanks for that info. I guess I am still confused regarding the actual answers to A and B. For A, I get 15% (.5 * .3). For B, I get .35. However, I just KNOW I am wrong.
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    Undergrad How Do Conditional Probabilities Affect Ralph's Decision to Use an Umbrella?

    Looks like I posted in the wrong forum. Woops. Sorry. Please delete.
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    What Is the Probability Ralph Uses an Umbrella If Laura Does Not?

    Homework Statement Hello everyone New here and doing some random probability questions in prep for the GRE. I found one and I know it is simple, but I am stumped, and there is no answer online. Here it is--any help is much appreciated. Ralph is considering whether to use an umbrella...
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    Undergrad How Do Conditional Probabilities Affect Ralph's Decision to Use an Umbrella?

    Hello everyone New here and doing some random probability questions in prep for the GRE. I found one and I know it is simple, but I am stumped, and there is no answer online. Here it is--any help is much appreciated. Ralph is considering whether to use an umbrella. Previously, Ralph's...