Use Karnaugh map to find a minimal sum for: E = x’yz + x’yz’t + y’zt + xyzt’ + xy’z’t

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Let us use Karnaugh map to find a minimal sum for $E = x'yz + x'yz't + y'zt + xyzt' + xy'z't$ :

It follows that the Karnaugh map contains four rectangles $2\times 1$ , and hence minimal sum is $yzt'+x'yt+xy't+y'zt$

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Question ID: mtid-5-stid-8-sqid-3229-qpid-1928