Perhaps, but Big Bang theory says nothing about that.
The statistics vary according to country and culture (and the particular study). For example, in a study of France, Hong Kong, India, Italy, Taiwan, Turkey, the United Kingdom, and the United States, they found that religious
affiliation tends to be higher than levels of belief and practice.
"Nearly 10 percent of scientists in the US and UK—two countries at the core of the global science infrastructure—have “no doubt” that God exists, relative to one-quarter of scientists in India and two-thirds of scientists in Turkey. And a substantial proportion of scientists across these regional contexts pray and attend religious services regularly. Overall, a majority of scientists (more than half) in India, Italy, Taiwan, and Turkey identify as at least “slightly religious,” while such scientists are in the minority in France, Hong Kong, the US, and the UK." [
Religion among Scientists in International Context]
I recommend using the word 'belief' with caution when talking about scientists' scientific views. It might be more accurate to say that many scientists think a cyclical universe is the most likely or plausible hypothesis. However, there are also many other 'origin' hypotheses among cosmologists.