Mathematics, 16.04.2021 17:10 cookiemonster0476
In a random survey of 3,015 boys age 11, the average height was 146 cm, and the standard deviation (SD) was 8 cm. A histogram suggested the heights were approximately normally distributed. Fill in the blanks. [2x5= 10 marks] a. One boy was 170 cm tall. He was above average by SDs. B. Another boy was 148 cm tall. He was above average by SDs. C. A third boy was 1.5 SDs below the average height. He was cm tall. D. If a boy was within 2.25 SDs of average height, the shortest he could have been is cm and the tallest is cm. E. Here are the heights of four boys: 150 cm, 130 cm, 165 cm, 140 cm. Which description from the list below best fits each of the boys (a description can be used more than once)? Justify you answer – Unusually short. – About average. – Unusually tall.
Answers: 2
Mathematics, 20.06.2019 18:04, darrenmcfadden220
Super ultra mega important if you can answer this correctly i will give you 100 points but if you don't answer it correctly you'll get a big report. so stay aware and have a nice day!
Answers: 1
Mathematics, 21.06.2019 18:30, wiredq2049
Ill mark the brainliest if you me with the these three questions 7,8,9
Answers: 2
Mathematics, 21.06.2019 20:00, andrejr0330jr
I’m stuck on this equation, anyone got the answer?
Answers: 1
Mathematics, 21.06.2019 21:00, cicimarie2018
Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x − 3 y = −x + 3 y = −x − 3 y = x + 3 will award !
Answers: 3
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