please can you answer this questions

The manager of a local grocery store found that 45% of all customers spend more than 10 minutes in the store per visit. Let X be the number of customers that spend more than 10 minutes in the store out of a sample of 58 customers. What is the standard deviation of X? Round your answer to 2 decimal places. Question 5 1 pts Suppose a card is selected from an ordinary deck of cards and then replaced. If this process is repeated 14 times, what is the probability that 6 of the selected cards were spades? Round your answer to four decimal places