The phrase "whether to choose" is correct and can be used in written English.
You can use it when expressing a decision between two options. For example: "I don't know whether to choose the blue dress or the yellow dress."
The committee had been sharply divided about whether to choose Melbourne or Sydney as its candidate for 1996.
What the Chinese are now wrestling with is no longer whether to choose the future, but how to deal with the consequences of their choice.
TEA drinkers might weigh carefully whether to choose a smoky Lapsang Souchong or a delicate jasmine, whether they prefer a calming chamomile or a spicy apple cinnamon.
In any referendum on whether to choose a different path, there will inevitably be an element of profit-and-loss calculation.
But it also reflected tension within the American public on whether to choose Mr. Bush's personality and promises of leadership over Mr. Gore's experience and knowledge of government.
Religious conservative leaders say they are having passionate debates in private over whether to choose a candidate based on viability or purity.
The party had been divided for months over whether to choose Mr. Alckmin or José Serra, the better-known mayor of São Paulo, Brazil's largest city.
Matthew Goldstein, CUNY's chancellor, who proposed the new school, said the decision on whether to choose a journalist or an educator will depend partly on the candidates.
Our choice in these difficult economic times is not just whether to spend or cut, but whether to choose knowledge over conventional wisdom.
With Indians begging for good governance, the B.J.P. must decide whether to choose Modi's ideological path or to recalibrate to Vajpayee-like inclusiveness.
Customers would see sustainability ratings, so they could decide whether to choose one avocado over another based on how efficiently it was grown and shipped.
