Summary:
75% of adult Americans in general said that they believe Jesus Christ was born to a virgin, Mary.
Just 15% atheists and agnostics affirmed this really happened.
69% affirmed the story of Jesus turning water into wine at the wedding in Cana as being literally true. Protestants were more likely than Catholics; blacks were more likely than whites or Hispanics; downscale individuals exceeded the likelihood of upscale people; and conservatives were more likely than liberals to see the story as literally accurate
68% believed the account of Jesus using five loaves of bread and two fish to feed five thousand men.
64% believed the story of the planet-altering flood of Noah. Half or fewer of several groups affirmed this: Catholics, atheists/agnostics, residents of the Northeast, upscale adults, the unchurched, and liberals.
6% of adults believe that the story of Eve and the Serpent. Protestants were significantly more likely than Catholics to accept this story as literal truth.
49% accepted the story of Samson as completely accurate. 72% of Born again Christians and 71% of people who attend Protestant churches that are not associated with mainline denominations and 70% African Americans affirmed this, and with females were more likely than males doing so.
Born again Christians were far more likely than non-born again adults to accept each of the six narratives as fully accurate. On average the difference between the two groups was forty percentage points!
Protestants were more likely than Catholics to accept each of the six stories as literally true. Catholics especially struggled to put their faith in the Old Testament stories. Examining a dozen Bible evaluated in this manner by The Barna Group in surveys in October and December, about half of all Catholics trusted the Old Testament stories evaluated, compared to about three-quarters believing the New Testament stories. Meanwhile, among Protestants, in relation to all six of the scriptural narratives, those who attend mainline churches were significantly less likely than those attending other Protestant congregations to say that they trusted the stories as told. - https://www.barna.org/barna-update/faith-spirituality/88-americans-express-their-views-of-the-virgin-birth-of-christ#.VpM4iFlrKHs
Atheists are not supposed to believe in GOD and Agnostics claim NOT to know!!