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- A parent downloads an app that allows him to monitor the amount of screen time his child is using on the phone. The child claims that she is only using 1 hour per day on the phone on average, but the app, over the course of 47 days, finds that the child used an average of 1.2 hours per day. The parent wants to know if the child is using an average of 1 hour per day for all days of use. a) The 1.2 is a/an: variable population parameter sample statistic observational unit b) The sample size is: 1 47 1.2 c) Each day is a/an: population parameter observational unit variable sample statisticEvery year my place of work has a huge holiday party. Every year there is a survey sent out to see how many people want to attend the party so that there is a big enough venue booked. I wanted to know if the number of people wanting to attend the annual holiday party changed this year because of COVID. In 2019, of the 406 people surveyed, 310 said that they wanted to attend. In 2020, of the 406 people surveyed, 156 said that they wanted to attend. Conduct a test at the a=0.05 level of significance. H0: p1=p2 H1: p1≠p2Consider the following Tarski world (same world as the previous question, but different questions): A b a h j k Predicates exist as follows: Blue(x) means "x is blue" (and similarly for the other two colors) Triangle(x) means "x is a triangle" (and similarly for the other two shapes) RightOf(x,y) means "x is to the right of y" although possibly in a different row. ShapeSame(x,y) means "x is the same shape as y" ColorSame(x,y) means "x is the same color as y" RowSame(x,y) means "x is in the same row as y" For each of the following statements, say whether the statement is T or F, and then say why. When saying why, you may use the letter c to refer to shape c on the Tarski world, and so on. a) 3 x, Vy, Square(x) ^ (Blue(y) v ~ RightOf(x,y)) Tor F: If False, give a value for y for which no such x exists. If True, give a value for x for which the statement is True: b) Vx, Vy, (xy ^ RowSame(x,y)) → (~ Shape Same(x,y) A ~ ColorSame(x,y)) T or F: If False, give values for x, y for which the…
- Badly needed the answers today (ASAP)Artificial IntelligenceI need #11 and #13 DIRECTIONS: For each proof, you must include (i.e., write) the premises in that proof. I do not want to see any proofs without premises. Do not use any transformation rules (e.g. contraposition) in your proof other than DN. Only use the eight inference rules. YOU CANNOT USE CONDITIONAL PROOF (CP), INDIRECT PROOF (IP), OR ASSUMED PREMISES (AP). You will lose points if you use any of the inference rules Resolution, Contradiction, Transposition,
- Prove whether (¬p0g)0 (r O¬s) Op) and –ro-pare logically equivalent or not. To fill the blank spaces, consider the following table: V 1 2 4 5 7 8. 9. Consider the last 5 digits of your IDs. Assume that the last 5 digits of your ID are 12075. My id last 5 digit : 14271 Now, follow the chart and select your operators sequentially. For example, for having ID 12075 the operators will be: 1 =v 2 = - 0 =A 7=- 5 =0 So you have to prove whether (¬pvq)→(r A¬s) → t) and re-p are logically equivalent or not. If a student has ID with less than 5 digits then he will put 0 at the beginning to make it 5 digits.Prove the Probality thereom below.Consider
- discrete mathClaim: A minority of adults would erase all of their personal information online if they could. A software firm survey of 586 randomly selected adults showed that 41% of them would erase all of their personal information online if they could. Complete parts (a) and (b) below. a. Express the original claim in symbolic form. Let the parameter represent the adults that would erase their personal information. ger or a decimal. Do not round.)
