Soal Bahasa Inggris SMA: Soal cerita

393 soal dengan pembahasan. Klik soal untuk melihat kunci jawaban dan cara mengerjakannya.

361.
A researcher claims that a new drug reduces recovery time from a cold. In a trial, 100 patients received the drug and 100 received a placebo. The drug group recovered in an average of 5 days, while the placebo group recovered in 5.5 days. The difference was not statistically significant. What should the researcher conclude?
Kesulitan 4/5 · MCQ
362.
A city wants to reduce traffic congestion. It considers two policies: (1) increasing public transit frequency, and (2) imposing a congestion charge. Data from other cities show that congestion charges reduce traffic by 15-20%, while transit improvements reduce it by 5-10%. However, congestion charges are unpopular. Which decision is most supported by the evidence?
Kesulitan 4/5 · MCQ
363.
A student argues: 'If we ban smartphones in schools, students will socialize more and improve their grades.' Which assumption underlies this argument?
Kesulitan 4/5 · MCQ
364.
A company's customer satisfaction score dropped from 85% to 80% after implementing a new automated chat system. However, the number of customers served increased by 50%. Which interpretation is most reasonable?
Kesulitan 4/5 · MCQ
365.
A study shows that cities with more green spaces have lower obesity rates. However, these cities also tend to have higher average incomes. Which factor is most likely to confound the relationship between green spaces and obesity?
Kesulitan 4/5 · MCQ
366.
A school district found that students who participated in extracurricular activities had higher GPAs. To determine if extracurricular participation causes higher GPAs, what additional information is most needed?
Kesulitan 4/5 · MCQ
367.
A politician claims: 'Our new tax policy led to a 10% increase in small business creation.' However, the policy was implemented during an economic boom. Which of the following is the strongest counterargument?
Kesulitan 4/5 · MCQ
368.
A hospital implemented a hand hygiene campaign and saw a 20% drop in infection rates. However, they also introduced a new sterilization protocol for equipment at the same time. What can be concluded?
Kesulitan 4/5 · MCQ
369.
A researcher wants to test if a new teaching method improves math scores. She randomly assigns students to either the new method or the traditional method. At the end, she compares scores. What is the main advantage of random assignment?
Kesulitan 4/5 · MCQ
370.
Read the following text carefully. When a new manager took over a struggling bookstore, she noticed that despite a prime location, sales were declining. She hypothesized that the store's layout was confusing customers. She rearranged the shelves to create clear genres and added cozy reading nooks. Within three months, sales increased by 30%. However, she also observed that online sales remained stagnant. Which of the following best evaluates the manager's hypothesis?
Kesulitan 4/5 · MCQ
371.
A study finds that people who drink coffee daily have a lower risk of heart disease. However, coffee drinkers are also more likely to exercise regularly. What is the best way to describe the relationship between coffee and heart disease?
Kesulitan 4/5 · MCQ
372.
A city's recycling rate increased from 20% to 30% after a public awareness campaign. However, the city also introduced curbside recycling pickup at the same time. Which evaluation is most accurate?
Kesulitan 4/5 · MCQ
373.
A student wants to determine if listening to music while studying improves test performance. She studies with music for one week and without music for another week, then takes tests. She finds no difference. What is a major flaw in her experiment?
Kesulitan 4/5 · MCQ
374.
A bag contains 5 red balls, 4 blue balls, and 3 green balls. If two balls are drawn at random without replacement, what is the probability that both are red?
Kesulitan 3/5 · MCQ
375.
A company's profit is given by P = 200x - 5x², where x is the number of units sold. What is the maximum profit?
Kesulitan 3/5 · MCQ
376.
A ladder 13 meters long leans against a vertical wall. The bottom of the ladder is 5 meters away from the wall. How high up the wall does the ladder reach?
Kesulitan 3/5 · MCQ
377.
A password consists of 3 different letters chosen from the 26 letters of the alphabet, followed by 2 different digits chosen from 0–9. How many different passwords can be formed if repetition is not allowed?
Kesulitan 3/5 · MCQ
378.
A student needs an average score of at least 85 on five tests to earn a scholarship. After four tests, the student's average is 82. What is the minimum score the student must achieve on the fifth test?
Kesulitan 3/5 · MCQ
379.
A rectangular room is 8 meters long and 6 meters wide. A carpet is placed in the center of the room, leaving a uniform border of 1 meter around it. What is the area of the carpet?
Kesulitan 3/5 · MCQ
380.
A shopkeeper mixes two types of coffee: Type A costing Rp80,000 per kg and Type B costing Rp120,000 per kg. If he wants to make 10 kg of a mixture costing Rp95,000 per kg, how many kg of Type A should he use?
Kesulitan 3/5 · MCQ