What is the probability of drawing a 7 from a deck of cards?

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Q: X = 13,755, s = 132, n = 100 4. µ = 5.6, = 5.4, s = 0.3, n = 15 5. u = 147, o = 8 ,x = 152, s = 5.5,…

A: As per company guidelines I solved only First questions .thank you (4.on question are visible )

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Q: 6. Use the regression equation to predict the weight of a harbor seal with a camera width of 6.9 cm.…

A: X Y X \cdot YX⋅Y X^2X2 Y^2Y2   7.2 150 1080 51.84 22500   7.9 100 790 62.41 10000   9.8…

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