please help with these two

PLEASE IGNORE 3 AND 4 , PLEASE HELP WITH 5 AND 6

3. (-/2 Points) DETAILS WANEFMAC7 9.4.007.0/50 Submissions Used Compute the sample) variance and standard deviation of the data sample. (Round your answers to two decimal places.) 3.5, -3.5, 29, -0.3,-0.3 variance standard deviation Need Help? Red Watch 4. [-/1 Points] DETAILS WANEFMAC7 9.4.009.0/50 Sub Sissions Used Calculate the standard deviation of x for the probability distribution (Round your answer to two decimal places.) x 0 1 2 3 P(X = x) 0.1 0.3 0.1 0.5 Calculate the standard deviation of x for the probability distribution (Round your answer to two decimal places.) X 10 20 30 40 PIX = x) 1 10 1 5 3 5 1 10 Need Help? Randi Watch 6. [-/1 Points] DETAILS WANEFMAC7 9.4.013.0/50 Submissions Used Calculate the standard deviation o of x for the probability distribution. (Round your answer to two decimal places.) 5 10 -5 -1 0 2 P(X= x) 0.1 0.1 0.1 0.3 0.4 0