It is FALSE that John's employer has the right to require his attendance at the employer's weekly lunchtime prayer group.
The lunchtime prayer is not a workplace activity because John has the right to use his lunchtime. John could sue for religious discrimination. There is a guarantee of religious freedom. Therefore, John's employer lacks the right to require him to attend the lunchtime prayer.
Thus, it is FALSE for his employer to require John to attend the lunchtime prayer.
Learn more about workplace religious discrimination here: https://brainly.com/question/17479963