16 and 20 ue e rolling the die a scoond time so thas the sum 14, A ball numbered

Question

16 and 20

ue e rolling the die a scoond time so thas the sum 14, A ball numbered from 1 through 52 is selected from a bin, replaced, and then ol the two rolls is five a second mumbered ball is selected from the bin. Classifying Events Based on Studies n Esercises 15-F8, demnify she nvo described ie tbr stwdy. Do the resus indicate hat the events are independent are at increased risk of having high blood pressure. Soune: alrcady existing uloers. But, stress does not eause stomach ukers. Sour or dependent? Explain your reananing 15. A study found that people who suffer from modkr oa i6. Stress causes the body to produce higher amounts of ackd, which can irritate 17. A study found that there is no relationship between being around cell 18. According to rescarchers, infection with dengue virus makes mosquitoes 19. Cards Two cards are selected from a standard deek of 52 playing cards 20. Coin and Die A coin is tossed and a die is rolled. Find the probability of phones and developing cancer. (Sowroe: Brinshi Medical Joa hungrier than usual. Souce: PLOS Psthogens, The first card is replaced before the second card is selected. Find the probability of selecting a heart and then selecting an ace tossing a tail and then rolling a number greater than 2

Explanation / Answer

16.

Event 1: Presence of Stress
Event 2: Irritation of ulcer

It seems that they are dependent, because it says "stress causes the body to higher amountsof acid, WHICH CAN irritate already exisiting ulcers."

ANSWER: DEPENDENT

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20.

Event 1: Coin toss results in a tail
Event 2: Die toss results in a 2

The coin toss result does not influence the die roll in any way, so they are INDEPENDENT. [ANSWER]

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