TJ Prep Problems

TJ Prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.

A Probability question for TJHSST Test/SHSAT and ACT Prep. (Medium). Target Time. 20-30 seconds.

April 17, 2016

A fair coin is tossed 4 times. What is the probability that an outcome other than no head or all four heads results?

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