The question is pretty clear. You just aren't accepting the answer. Its all chance. It doesn't matter what Tom or Bill or Susans experiences are. Because there is someone out there with every experience possible because its all chance.
Male or Female, the spider has a 50/50 chance of passing its spiderness onto each of spring. Got 1 egg. Flip a coin. Got 10 eggs. Flip the coin 10 times. That's how it works. Some people will get all heads, some all tails, most will get a mix. The sex of the spider does not matter.