A research scientist is assessing the effectiveness of a new nasal spray in releasing nasal congestion. Test subjects used the nasal spray and then reported how long it took for their congestion to clear up. The sample of 25 subjects is normally distributed with a mean time of 20.0 minutes with a standard deviation of 3.0 minutes. Answer the following; 1. The mean of a sampling distribution based on this data is [ Select] 2. The standard error of the mean for a sampling distribution based on this data is 0.77 3. The shape of the sampling distribution based on this data will be [ Select] than the original (raw) distribution. 4. For a 90% confidence interval, the margin of error is 1.36

According to the chart: a) is it true that more than 50% of the population of USA and Mexico are either overweight or obese? b) is it true that more than 50% of the USA and Mexico MALES are either overweight or obese? c) is it true that being overweight is substantially more prevalent in India than obesity? d) is it ture that obesity is highly prevalent in China?

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Use the Venn diagram shown to the right to answer the following questions. a. Which regions are represented by CU(ANB)? b. Which regions are represented by Cn(AUB)? c. Based on parts (a) and (b), are CU(ANB) and Cn(AUB) equal for all sets A and B? a. Select the regions that represent CU(AnB). OA. IV.V.VI, VII OB. ILIV.V. VI OC. II.V OD. ILIV.V.VI.VII E G -

Practice and Homework Name Lesson 4.2 Multiply Decimals and Whole Numbers Learning Objective You will use decimal squares and draw quick pictures to model multiplication with whole numbers and decimals to hundredths. Use the decimal model to find the product. 1. 4 X 0,07 = 0.28 2. 3X 0.27 = 3. 2 х0.45 - Find the product. Draw a quick picture. 4. 2X 0.8 = 5. 2 х0.67%3 6. 5X 0.71 = 7. 4 X 0.23 = Real World Problem Solving 8. In physical education class, Sonia walks a 9. A certain tree can grow 0.45 meter in one year. At distance of 0.12 mile in 1 minute. At that rate, that rate, how much can the tree grow in 3 years? how far can she walk in 9 minutes? 10. WRITE Math Explain how multiplying a whole number and a decimal is similar to and different from multiplying whole numbers. D Houghton Mifflin Harcourt Publishing Company

200 students were surveyed about sports they regularly participate in. a) How many don't participate in any of these sports? b) How many participate in volleyball? Football 10 Volleyball 10 c) How don't participate in basketball? d) How many participate in both football and volleyball? hasen at random from Basketball 12 f) What is- g) Wha h) What ay Volleyball? 1) Shade (Ancy U B 2) Shade (BUC)UA

Solve the following:

Belirtme katseySInı bulunuz. Find the determination coefficient. Y 7 11 12 15 34 - 14 20 18 26 O A) 0,978 O B) 0,957 C) 0,913 D) 0,926 E) 0,941

Which Venn diagram illustrates the given conditions? a. ACB and B C? (select) b. a. B. d. A A, C.