Regifting is defined as the act of taking a gift that has been given to you and presenting it as a gift to someone else. According to survey conducted by a credit card company regarding consumer​ spending, 85% of the respondents felt that it was socially acceptable to regift during the holiday season​ (big sigh of​ relief). Suppose a random sample of 10 holiday shoppers was selected. Complete parts a through d. What is the probability that 4 shoppers from this sample felt that regifting was socially​ acceptable? The probability is

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