Whether to join or not vs she has not decided yet

Some examples from the web:

• Whether to join or not
• information and awareness campaigns by specialised independent human rights bodies to ensure that anyone may decide freely whether to join or leave a religious or spiritual movement;
• Under the Peace Agreement, a separate referendum was also to have been held in Abyei in which its inhabitants would decide whether to join northern or southern Sudan.
• It is only right that in Denmark we are seeing a debate on political union at the moment, as the Danes decide whether to join the euro or not.
• For: the better you know your market, the easier it will be for you to make the decision whether to join a franchise system or not.
• The earlier states were unable to regain independence and there was no referendum about whether they wanted to join India or Pakistan.
• I find it an irony that in my own country the government has finally decided to take money from this budget line but, at the same time, cannot make up its mind whether to join the single currency or not.
• Managers will apply to join your team, and you must choose whether to allow them to join or refuse them entry.
• In the short term, though outwith the euro zone, there is also a substantial need for factual information campaigning on the implications after 2002 in our relationship with the euro zone, whether we ever decide to join or not.
• They will eventually have to decide whether to join the European political and economic union.
• This means that next year, or perhaps a little later, Sweden will hold a referendum to decide whether to join the single currency.
• Each Member State can decide itself whether to join an international convention devoted to matters that do not fall within the exclusive competence of the Community.
• Finally, the last thing I would wish to do is interfere in the internal debate of those countries that have not yet decided whether to join the Eurozone.
• The sons can decide whether to join in the joy of the father or to reject it.
• Every day there is the possibility of discovering new beaches or hiking in interesting places and various freely choosing whether to join the tour;
• Far from it. The US-propelled vassal Petro Poroshenko, currently starring in the oligarch dance in Ukraine this week advanced the proposition that Ukrainians in the near future, after his "reforms", will be asked to vote on whether to join NATO.
• The Irish Government should commit itself to acceding to a single currency whether Britain joins or not.
• The promised referendum for the residents about whether or not to join Indonesia never materialised.
• A code owner would choose whether to apply for endorsement, and a firm would, therefore, choose whether or not to join this code.
• After all, the European Parliament has the final say in whether an applicant country joins or not.
• And I am certain that the Icelandic people will make a very responsible decision about whether or not to join the European Union.

Some examples from the web:

• she has not decided yet
• Has she or has she not decided that the only way she can make herself feel vital is to be some crusader for justice?
• She might even be more musical than her father, but she has decided not to earn her living from music.
• She has decided not to tell you of her father's wishes.
• Since the 10th of December 1997, Julia has lived in her beloved sequoia, on a platform 60 metres high, which she has decided not to leave until she has the guarantee that the forest will become a protected area.
• Miss Bennet is nothing if not decided, Aunt Catherine.
• That's... not decided yet.
• They had not decided who would succeed the late Shogun.
• You said that you had still not decided.
• We have not decided the same thing.
• The Commission has not decided that information about passengers should flow to the United States.
• Moreover, we still have not decided who will pay.
• That I have not decided yet.
• It's not decided at all.
• Recovery will run so fast but not decided,
• It is not decided, but it must be soon.
• If you're holding onto your pills - then I think you still have not decided.
• So it's still not decided?
• For those who have not decided I specially, Prepared a poem.
• I have not decided whom I should break yet.
• But we must remember that although historical factors may be easily correlated with the techniques of a given period, the correctness or incorrectness of any technique is not decided by such correlation.